12497331 has 16 divisors (see below), whose sum is σ = 20775168. Its totient is φ = 6492000.

The previous prime is 12497327. The next prime is 12497339. The reversal of 12497331 is 13379421.

It is not a de Polignac number, because 12497331 - 2² = 12497327 is a prime.

It is a super-2 number, since 2×12497331² = 312366564247122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12497339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26820 + ... + 27281.

It is an arithmetic number, because the mean of its divisors is an integer number (1298448).

Almost surely, 2^12497331 is an apocalyptic number.

12497331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12497331 is a deficient number, since it is larger than the sum of its proper divisors (8277837).

12497331 is a wasteful number, since it uses less digits than its factorization.

12497331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54122.

The product of its digits is 4536, while the sum is 30.

The square root of 12497331 is about 3535.1564321823. The cubic root of 12497331 is about 232.0629226374.

The spelling of 12497331 in words is "twelve million, four hundred ninety-seven thousand, three hundred thirty-one".