1373812 has 12 divisors (see below), whose sum is σ = 2622816. Its totient is φ = 624440.

The previous prime is 1373803. The next prime is 1373819. The reversal of 1373812 is 2183731.

It is a super-2 number, since 2×1373812² = 3774718822688, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373819) 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, 15568 + ... + 15655.

It is an arithmetic number, because the mean of its divisors is an integer number (218568).

2^1373812 is an apocalyptic number.

It is an amenable number.

1373812 is a deficient number, since it is larger than the sum of its proper divisors (1249004).

1373812 is a wasteful number, since it uses less digits than its factorization.

1373812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31238 (or 31236 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 1373812 is about 1172.0972655885. The cubic root of 1373812 is about 111.1669699874.

The spelling of 1373812 in words is "one million, three hundred seventy-three thousand, eight hundred twelve".