Search a number
-
+
12748600 = 235263743
BaseRepresentation
bin110000101000…
…011100111000
3212222200210101
4300220130320
511230423400
61133125144
7213234634
oct60503470
925880711
1012748600
117218237
1243297b4
132844967
14199bdc4
1511bc56a
hexc28738

12748600 has 24 divisors (see below), whose sum is σ = 29640960. Its totient is φ = 5099360.

The previous prime is 12748591. The next prime is 12748607. The reversal of 12748600 is 684721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12748607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31672 + ... + 32071.

It is an arithmetic number, because the mean of its divisors is an integer number (1235040).

Almost surely, 212748600 is an apocalyptic number.

12748600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12748600 is an abundant number, since it is smaller than the sum of its proper divisors (16892360).

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

12748600 is a wasteful number, since it uses less digits than its factorization.

12748600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63759 (or 63750 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 12748600 is about 3570.5181696779. The cubic root of 12748600 is about 233.6078854378.

The spelling of 12748600 in words is "twelve million, seven hundred forty-eight thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 63743 127486 254972 318715 509944 637430 1274860 1593575 2549720 3187150 6374300 12748600