1373816 has 16 divisors (see below), whose sum is σ = 2608200. Its totient is φ = 678304.

The previous prime is 1373803. The next prime is 1373819. The reversal of 1373816 is 6183731.

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, 371 + ... + 1698.

2^1373816 is an apocalyptic number.

It is an amenable number.

1373816 is a deficient number, since it is larger than the sum of its proper divisors (1234384).

1373816 is a wasteful number, since it uses less digits than its factorization.

1373816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158 (or 2154 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 1373816 is about 1172.0989719303. The cubic root of 1373816 is about 111.1670778788.

The spelling of 1373816 in words is "one million, three hundred seventy-three thousand, eight hundred sixteen".