12653456 has 40 divisors (see below), whose sum is σ = 25665024. Its totient is φ = 6036480.

The previous prime is 12653441. The next prime is 12653467. The reversal of 12653456 is 65435621.

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, 47981 + ... + 48243.

Almost surely, 2^12653456 is an apocalyptic number.

12653456 is a gapful number since it is divisible by the number (16) 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 12653456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12832512).

12653456 is an abundant number, since it is smaller than the sum of its proper divisors (13011568).

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

12653456 is a wasteful number, since it uses less digits than its factorization.

12653456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 393 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 12653456 is about 3557.1696614022. The cubic root of 12653456 is about 233.0252878299.

The spelling of 12653456 in words is "twelve million, six hundred fifty-three thousand, four hundred fifty-six".