12977832 has 32 divisors (see below), whose sum is σ = 37080000. Its totient is φ = 3707904.

The previous prime is 12977831. The next prime is 12977837. The reversal of 12977832 is 23877921.

It is not an unprimeable number, because it can be changed into a prime (12977831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38457 + ... + 38792.

It is an arithmetic number, because the mean of its divisors is an integer number (1158750).

Almost surely, 2^12977832 is an apocalyptic number.

12977832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12977832 is an abundant number, since it is smaller than the sum of its proper divisors (24102168).

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

12977832 is a wasteful number, since it uses less digits than its factorization.

12977832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77265 (or 77261 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 12977832 is about 3602.4758153248. The cubic root of 12977832 is about 234.9997404554. Note that the first 3 decimals are identical.

The spelling of 12977832 in words is "twelve million, nine hundred seventy-seven thousand, eight hundred thirty-two".