12931293 has 16 divisors (see below), whose sum is σ = 17646336. Its totient is φ = 8421120.

The previous prime is 12931253. The next prime is 12931297. The reversal of 12931293 is 39213921.

It is a happy number.

12931293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12931293 - 2¹⁶ = 12865757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12931293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12931297) 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, 29788 + ... + 30218.

It is an arithmetic number, because the mean of its divisors is an integer number (1102896).

Almost surely, 2^12931293 is an apocalyptic number.

It is an amenable number.

12931293 is a deficient number, since it is larger than the sum of its proper divisors (4715043).

12931293 is a wasteful number, since it uses less digits than its factorization.

12931293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644.

The product of its digits is 2916, while the sum is 30.

The square root of 12931293 is about 3596.0107063244. The cubic root of 12931293 is about 234.7184979974.

The spelling of 12931293 in words is "twelve million, nine hundred thirty-one thousand, two hundred ninety-three".