1313997 has 16 divisors (see below), whose sum is σ = 1843200. Its totient is φ = 831600.

The previous prime is 1313987. The next prime is 1313999. The reversal of 1313997 is 7993131.

It is not a de Polignac number, because 1313997 - 2¹⁵ = 1281229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6504 + ... + 6702.

It is an arithmetic number, because the mean of its divisors is an integer number (115200).

2^1313997 is an apocalyptic number.

It is an amenable number.

1313997 is a deficient number, since it is larger than the sum of its proper divisors (529203).

1313997 is a wasteful number, since it uses less digits than its factorization.

1313997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its digits is 5103, while the sum is 33.

The square root of 1313997 is about 1146.2970819120. The cubic root of 1313997 is about 109.5295889680.

The spelling of 1313997 in words is "one million, three hundred thirteen thousand, nine hundred ninety-seven".