2147312 has 10 divisors (see below), whose sum is σ = 4160448. Its totient is φ = 1073648.

The previous prime is 2147309. The next prime is 2147329. The reversal of 2147312 is 2137412.

It is a super-2 number, since 2×2147312² = 9221897650688, which contains 22 as substring.

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, 67088 + ... + 67119.

2^2147312 is an apocalyptic number.

It is an amenable number.

2147312 is a deficient number, since it is larger than the sum of its proper divisors (2013136).

2147312 is a wasteful number, since it uses less digits than its factorization.

2147312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134215 (or 134209 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 2147312 is about 1465.3709427991. The cubic root of 2147312 is about 129.0124780110.

The spelling of 2147312 in words is "two million, one hundred forty-seven thousand, three hundred twelve".