13112312 has 16 divisors (see below), whose sum is σ = 24825840. Its totient is φ = 6492096.

The previous prime is 13112273. The next prime is 13112329. The reversal of 13112312 is 21321131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7133 + ... + 8780.

It is an arithmetic number, because the mean of its divisors is an integer number (1551615).

Almost surely, 2^13112312 is an apocalyptic number.

It is an amenable number.

13112312 is a deficient number, since it is larger than the sum of its proper divisors (11713528).

13112312 is a wasteful number, since it uses less digits than its factorization.

13112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16022 (or 16018 counting only the distinct ones).

The product of its digits is 36, while the sum is 14.

The square root of 13112312 is about 3621.0926527776. The cubic root of 13112312 is about 235.8086642222.

Adding to 13112312 its reverse (21321131), we get a palindrome (34433443).

The spelling of 13112312 in words is "thirteen million, one hundred twelve thousand, three hundred twelve".