1313697 has 32 divisors (see below), whose sum is σ = 2248704. Its totient is φ = 667920.

The previous prime is 1313677. The next prime is 1313699. The reversal of 1313697 is 7963131.

It is not a de Polignac number, because 1313697 - 2⁶ = 1313633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27928 + ... + 27974.

It is an arithmetic number, because the mean of its divisors is an integer number (70272).

2^1313697 is an apocalyptic number.

It is an amenable number.

1313697 is a deficient number, since it is larger than the sum of its proper divisors (935007).

1313697 is an equidigital number, since it uses as much as digits as its factorization.

1313697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 68 counting only the distinct ones).

The product of its digits is 3402, while the sum is 30.

The square root of 1313697 is about 1146.1662183122. The cubic root of 1313697 is about 109.5212527293.

It can be divided in two parts, 131 and 3697, that added together give a triangular number (3828 = T₈₇).

The spelling of 1313697 in words is "one million, three hundred thirteen thousand, six hundred ninety-seven".