12937331 has 4 divisors (see below), whose sum is σ = 14113464. Its totient is φ = 11761200.

The previous prime is 12937273. The next prime is 12937333. The reversal of 12937331 is 13373921.

12937331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12937331 - 2²² = 8743027 is a prime.

It is a super-2 number, since 2×12937331² = 334749066807122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12937294 and 12937303.

It is not an unprimeable number, because it can be changed into a prime (12937333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588050 + ... + 588071.

It is an arithmetic number, because the mean of its divisors is an integer number (3528366).

Almost surely, 2^12937331 is an apocalyptic number.

12937331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12937331 is a deficient number, since it is larger than the sum of its proper divisors (1176133).

12937331 is a wasteful number, since it uses less digits than its factorization.

12937331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176132.

The product of its digits is 3402, while the sum is 29.

The square root of 12937331 is about 3596.8501497838. The cubic root of 12937331 is about 234.7550246301.

The spelling of 12937331 in words is "twelve million, nine hundred thirty-seven thousand, three hundred thirty-one".