1337992 has 8 divisors (see below), whose sum is σ = 2508750. Its totient is φ = 668992.

The previous prime is 1337989. The next prime is 1338013. The reversal of 1337992 is 2997331.

It can be written as a sum of positive squares in only one way, i.e., 799236 + 538756 = 894^2 + 734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83617 + ... + 83632.

2^1337992 is an apocalyptic number.

It is an amenable number.

1337992 is a deficient number, since it is larger than the sum of its proper divisors (1170758).

1337992 is a wasteful number, since it uses less digits than its factorization.

1337992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167255 (or 167251 counting only the distinct ones).

The product of its digits is 10206, while the sum is 34.

The square root of 1337992 is about 1156.7160412132. The cubic root of 1337992 is about 110.1922807759.

The spelling of 1337992 in words is "one million, three hundred thirty-seven thousand, nine hundred ninety-two".