12311032 has 8 divisors (see below), whose sum is σ = 23083200. Its totient is φ = 6155512.

The previous prime is 12311027. The next prime is 12311053. The reversal of 12311032 is 23011321.

It is a tau number, because it is divible by the number of its divisors (8).

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, 769432 + ... + 769447.

It is an arithmetic number, because the mean of its divisors is an integer number (2885400).

Almost surely, 2^12311032 is an apocalyptic number.

It is an amenable number.

12311032 is a deficient number, since it is larger than the sum of its proper divisors (10772168).

12311032 is a wasteful number, since it uses less digits than its factorization.

12311032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538885 (or 1538881 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12311032 is about 3508.7080243303. The cubic root of 12311032 is about 230.9040161438.

Adding to 12311032 its reverse (23011321), we get a palindrome (35322353).

The spelling of 12311032 in words is "twelve million, three hundred eleven thousand, thirty-two".