1399612 has 6 divisors (see below), whose sum is σ = 2449328. Its totient is φ = 699804.

The previous prime is 1399609. The next prime is 1399621. The reversal of 1399612 is 2169931.

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, 174948 + ... + 174955.

2^1399612 is an apocalyptic number.

It is an amenable number.

1399612 is a deficient number, since it is larger than the sum of its proper divisors (1049716).

1399612 is a wasteful number, since it uses less digits than its factorization.

1399612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349907 (or 349905 counting only the distinct ones).

The product of its digits is 2916, while the sum is 31.

The square root of 1399612 is about 1183.0519853329. The cubic root of 1399612 is about 111.8585586983.

The spelling of 1399612 in words is "one million, three hundred ninety-nine thousand, six hundred twelve".