2657312 has 24 divisors (see below), whose sum is σ = 5979456. Its totient is φ = 1138752.

The previous prime is 2657309. The next prime is 2657327. The reversal of 2657312 is 2137562.

It is a super-2 number, since 2×2657312² = 14122614130688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5708 + ... + 6155.

It is an arithmetic number, because the mean of its divisors is an integer number (249144).

2^2657312 is an apocalyptic number.

It is an amenable number.

2657312 is an abundant number, since it is smaller than the sum of its proper divisors (3322144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2657312 is a wasteful number, since it uses less digits than its factorization.

2657312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11880 (or 11872 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 2657312 is about 1630.1263754691. The cubic root of 2657312 is about 138.5099107975.

The spelling of 2657312 in words is "two million, six hundred fifty-seven thousand, three hundred twelve".