1392812 has 12 divisors (see below), whose sum is σ = 2521680. Its totient is φ = 672336.

The previous prime is 1392803. The next prime is 1392817. The reversal of 1392812 is 2182931.

It is not an unprimeable number, because it can be changed into a prime (1392817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5888 + ... + 6119.

It is an arithmetic number, because the mean of its divisors is an integer number (210140).

2^1392812 is an apocalyptic number.

It is an amenable number.

1392812 is a deficient number, since it is larger than the sum of its proper divisors (1128868).

1392812 is a wasteful number, since it uses less digits than its factorization.

1392812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12040 (or 12038 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 1392812 is about 1180.1745633592. The cubic root of 1392812 is about 111.6771099859.

The spelling of 1392812 in words is "one million, three hundred ninety-two thousand, eight hundred twelve".