12311396 has 6 divisors (see below), whose sum is σ = 21544950. Its totient is φ = 6155696.

The previous prime is 12311389. The next prime is 12311401. The reversal of 12311396 is 69311321.

It can be written as a sum of positive squares in only one way, i.e., 11464996 + 846400 = 3386^2 + 920^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1538921 + ... + 1538928.

It is an arithmetic number, because the mean of its divisors is an integer number (3590825).

Almost surely, 2^12311396 is an apocalyptic number.

It is an amenable number.

12311396 is a deficient number, since it is larger than the sum of its proper divisors (9233554).

12311396 is a wasteful number, since it uses less digits than its factorization.

12311396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077853 (or 3077851 counting only the distinct ones).

The product of its digits is 972, while the sum is 26.

The square root of 12311396 is about 3508.7598948916. The cubic root of 12311396 is about 230.9062918326.

The spelling of 12311396 in words is "twelve million, three hundred eleven thousand, three hundred ninety-six".