12932381 has 8 divisors (see below), whose sum is σ = 16123584. Its totient is φ = 10077120.

The previous prime is 12932377. The next prime is 12932383. The reversal of 12932381 is 18323921.

12932381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12932381 - 2² = 12932377 is a prime.

It is a super-2 number, since 2×12932381² = 334492956658322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12932383) 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, 83900 + ... + 84053.

It is an arithmetic number, because the mean of its divisors is an integer number (2015448).

Almost surely, 2^12932381 is an apocalyptic number.

12932381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12932381 is a deficient number, since it is larger than the sum of its proper divisors (3191203).

12932381 is a wasteful number, since it uses less digits than its factorization.

12932381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167971.

The product of its digits is 2592, while the sum is 29.

The square root of 12932381 is about 3596.1619818912. The cubic root of 12932381 is about 234.7250806484.

The spelling of 12932381 in words is "twelve million, nine hundred thirty-two thousand, three hundred eighty-one".