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12594140 = 2251359821
BaseRepresentation
bin110000000010…
…101111011100
3212200211220122
4300002233130
511211003030
61125534112
7212022416
oct60025734
925624818
1012594140
117122189
124274338
1327bc570
14195b9b6
15118b8e5
hexc02bdc

12594140 has 48 divisors (see below), whose sum is σ = 29000160. Its totient is φ = 4565760.

The previous prime is 12594137. The next prime is 12594143. The reversal of 12594140 is 4149521.

It is an interprime number because it is at equal distance from previous prime (12594137) and next prime (12594143).

It is a super-2 number, since 2×125941402 = 317224724679200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12594143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14930 + ... + 15750.

It is an arithmetic number, because the mean of its divisors is an integer number (604170).

Almost surely, 212594140 is an apocalyptic number.

12594140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12594140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14500080).

12594140 is an abundant number, since it is smaller than the sum of its proper divisors (16406020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12594140 is a wasteful number, since it uses less digits than its factorization.

12594140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12594140 is about 3548.8223398756. The cubic root of 12594140 is about 232.6605974102.

The spelling of 12594140 in words is "twelve million, five hundred ninety-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 59 65 118 130 236 260 295 590 767 821 1180 1534 1642 3068 3284 3835 4105 7670 8210 10673 15340 16420 21346 42692 48439 53365 96878 106730 193756 213460 242195 484390 629707 968780 1259414 2518828 3148535 6297070 12594140