12256293 has 16 divisors (see below), whose sum is σ = 18806400. Its totient is φ = 6954816.

The previous prime is 12256271. The next prime is 12256301. The reversal of 12256293 is 39265221.

It is not a de Polignac number, because 12256293 - 2⁹ = 12255781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12256293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12257293) 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, 1171 + ... + 5087.

It is an arithmetic number, because the mean of its divisors is an integer number (1175400).

Almost surely, 2^12256293 is an apocalyptic number.

It is an amenable number.

12256293 is a deficient number, since it is larger than the sum of its proper divisors (6550107).

12256293 is a wasteful number, since it uses less digits than its factorization.

12256293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076.

The product of its digits is 6480, while the sum is 30.

The square root of 12256293 is about 3500.8988845724. The cubic root of 12256293 is about 230.5612819618.

The spelling of 12256293 in words is "twelve million, two hundred fifty-six thousand, two hundred ninety-three".