1313872 has 20 divisors (see below), whose sum is σ = 2909536. Its totient is φ = 563040.

The previous prime is 1313863. The next prime is 1313881. The reversal of 1313872 is 2783131.

It is an interprime number because it is at equal distance from previous prime (1313863) and next prime (1313881).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5754 + ... + 5977.

2^1313872 is an apocalyptic number.

It is an amenable number.

1313872 is an abundant number, since it is smaller than the sum of its proper divisors (1595664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313872 is a wasteful number, since it uses less digits than its factorization.

1313872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11746 (or 11740 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 1313872 is about 1146.2425572277. The cubic root of 1313872 is about 109.5261156894.

The spelling of 1313872 in words is "one million, three hundred thirteen thousand, eight hundred seventy-two".