12631293 has 24 divisors (see below), whose sum is σ = 18889728. Its totient is φ = 8128512.

The previous prime is 12631279. The next prime is 12631303. The reversal of 12631293 is 39213621.

12631293 is a `hidden beast` number, since 1 + 2 + 631 + 29 + 3 = 666.

It is not a de Polignac number, because 12631293 - 2⁴ = 12631277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49021 + ... + 49277.

It is an arithmetic number, because the mean of its divisors is an integer number (787072).

Almost surely, 2^12631293 is an apocalyptic number.

It is an amenable number.

12631293 is a deficient number, since it is larger than the sum of its proper divisors (6258435).

12631293 is a wasteful number, since it uses less digits than its factorization.

12631293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 430 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 12631293 is about 3554.0530384337. The cubic root of 12631293 is about 232.8891574930.

It can be divided in two parts, 1263 and 1293, that added together give a triangular number (2556 = T₇₁).

The spelling of 12631293 in words is "twelve million, six hundred thirty-one thousand, two hundred ninety-three".