1337913 has 12 divisors (see below), whose sum is σ = 1965028. Its totient is φ = 876960.

The previous prime is 1337911. The next prime is 1337969. The reversal of 1337913 is 3197331.

It can be written as a sum of positive squares in 2 ways, for example, as 627264 + 710649 = 792^2 + 843^2 .

It is not a de Polignac number, because 1337913 - 2¹ = 1337911 is a prime.

It is a super-2 number, since 2×1337913² = 3580022391138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1337911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670 + ... + 1767.

2^1337913 is an apocalyptic number.

It is an amenable number.

1337913 is a deficient number, since it is larger than the sum of its proper divisors (627115).

1337913 is a wasteful number, since it uses less digits than its factorization.

1337913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504 (or 2501 counting only the distinct ones).

The product of its digits is 1701, while the sum is 27.

The square root of 1337913 is about 1156.6818923109. The cubic root of 1337913 is about 110.1901120132.

The spelling of 1337913 in words is "one million, three hundred thirty-seven thousand, nine hundred thirteen".