12653560 has 16 divisors (see below), whose sum is σ = 28470600. Its totient is φ = 5061408.

The previous prime is 12653551. The next prime is 12653579. The reversal of 12653560 is 6535621.

It is a super-2 number, since 2×12653560² = 320225161347200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 158130 + ... + 158209.

Almost surely, 2^12653560 is an apocalyptic number.

12653560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12653560 is an abundant number, since it is smaller than the sum of its proper divisors (15817040).

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

12653560 is a wasteful number, since it uses less digits than its factorization.

12653560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316350 (or 316346 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 12653560 is about 3557.1842797359. The cubic root of 12653560 is about 233.0259262474.

The spelling of 12653560 in words is "twelve million, six hundred fifty-three thousand, five hundred sixty".