12653232 has 20 divisors (see below), whose sum is σ = 32687640. Its totient is φ = 4217728.

The previous prime is 12653227. The next prime is 12653257. The reversal of 12653232 is 23235621.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131757 + ... + 131852.

It is an arithmetic number, because the mean of its divisors is an integer number (1634382).

Almost surely, 2^12653232 is an apocalyptic number.

12653232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12653232 is an abundant number, since it is smaller than the sum of its proper divisors (20034408).

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

12653232 is a wasteful number, since it uses less digits than its factorization.

12653232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263620 (or 263614 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 12653232 is about 3557.1381755563. The cubic root of 12653232 is about 233.0239127649.

Adding to 12653232 its reverse (23235621), we get a palindrome (35888853).

The spelling of 12653232 in words is "twelve million, six hundred fifty-three thousand, two hundred thirty-two".