12689832 has 32 divisors (see below), whose sum is σ = 31896000. Its totient is φ = 4207104.

The previous prime is 12689821. The next prime is 12689857. The reversal of 12689832 is 23898621.

It is a happy number.

It is a super-2 number, since 2×12689832² = 322063672376448, which contains 22 as substring.

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, 3448 + ... + 6104.

It is an arithmetic number, because the mean of its divisors is an integer number (996750).

Almost surely, 2^12689832 is an apocalyptic number.

12689832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12689832 is an abundant number, since it is smaller than the sum of its proper divisors (19206168).

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

12689832 is a wasteful number, since it uses less digits than its factorization.

12689832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865 (or 2861 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 12689832 is about 3562.2790457795. The cubic root of 12689832 is about 233.2483736039.

The spelling of 12689832 in words is "twelve million, six hundred eighty-nine thousand, eight hundred thirty-two".