12656760 has 64 divisors (see below), whose sum is σ = 39290400. Its totient is φ = 3257856.

The previous prime is 12656737. The next prime is 12656783. The reversal of 12656760 is 6765621.

It is an interprime number because it is at equal distance from previous prime (12656737) and next prime (12656783).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1662 + ... + 5298.

Almost surely, 2^12656760 is an apocalyptic number.

12656760 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 12656760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19645200).

12656760 is an abundant number, since it is smaller than the sum of its proper divisors (26633640).

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

12656760 is a wasteful number, since it uses less digits than its factorization.

12656760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 12656760 is about 3557.6340452610. The cubic root of 12656760 is about 233.0455681535.

The spelling of 12656760 in words is "twelve million, six hundred fifty-six thousand, seven hundred sixty".