12814731 has 12 divisors (see below), whose sum is σ = 18941208. Its totient is φ = 8344224.

The previous prime is 12814717. The next prime is 12814733. The reversal of 12814731 is 13741821.

It is not a de Polignac number, because 12814731 - 2¹⁰ = 12813707 is a prime.

It is a super-2 number, since 2×12814731² = 328434661204722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12814695 and 12814704.

It is not an unprimeable number, because it can be changed into a prime (12814733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16170 + ... + 16943.

It is an arithmetic number, because the mean of its divisors is an integer number (1578434).

Almost surely, 2^12814731 is an apocalyptic number.

12814731 is a deficient number, since it is larger than the sum of its proper divisors (6126477).

12814731 is a wasteful number, since it uses less digits than its factorization.

12814731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33162 (or 33159 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 12814731 is about 3579.7668918520. The cubic root of 12814731 is about 234.0111215402.

The spelling of 12814731 in words is "twelve million, eight hundred fourteen thousand, seven hundred thirty-one".