12293431 has 12 divisors (see below), whose sum is σ = 13617072. Its totient is φ = 11059136.

The previous prime is 12293429. The next prime is 12293441. The reversal of 12293431 is 13439221.

12293431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12293431 - 2¹ = 12293429 is a prime.

It is a super-2 number, since 2×12293431² = 302256891503522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12293396 and 12293405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12293441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8310 + ... + 9676.

It is an arithmetic number, because the mean of its divisors is an integer number (1134756).

Almost surely, 2^12293431 is an apocalyptic number.

12293431 is a deficient number, since it is larger than the sum of its proper divisors (1323641).

12293431 is a wasteful number, since it uses less digits than its factorization.

12293431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430 (or 1407 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 12293431 is about 3506.1989390221. The cubic root of 12293431 is about 230.7939230188.

The spelling of 12293431 in words is "twelve million, two hundred ninety-three thousand, four hundred thirty-one".