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12623680 = 265103383
BaseRepresentation
bin110000001001…
…111101000000
3212202100102201
4300021331000
511212424210
61130322544
7212204506
oct60117500
925670381
1012623680
1171423a3
124289454
1327ccb44
141968676
15119553a
hexc09f40

12623680 has 56 divisors (see below), whose sum is σ = 30431232. Its totient is φ = 4987392.

The previous prime is 12623669. The next prime is 12623713. The reversal of 12623680 is 8632621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32769 + ... + 33151.

Almost surely, 212623680 is an apocalyptic number.

12623680 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 12623680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15215616).

12623680 is an abundant number, since it is smaller than the sum of its proper divisors (17807552).

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

12623680 is a wasteful number, since it uses less digits than its factorization.

12623680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12623680 is about 3552.9818462807. The cubic root of 12623680 is about 232.8423599225.

The spelling of 12623680 in words is "twelve million, six hundred twenty-three thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 103 160 206 320 383 412 515 766 824 1030 1532 1648 1915 2060 3064 3296 3830 4120 6128 6592 7660 8240 12256 15320 16480 24512 30640 32960 39449 61280 78898 122560 157796 197245 315592 394490 631184 788980 1262368 1577960 2524736 3155920 6311840 12623680