1315916 has 12 divisors (see below), whose sum is σ = 2631888. Its totient is φ = 563952.

The previous prime is 1315907. The next prime is 1315927. The reversal of 1315916 is 6195131.

1315916 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23471 + ... + 23526.

It is an arithmetic number, because the mean of its divisors is an integer number (219324).

2^1315916 is an apocalyptic number.

It is an amenable number.

1315916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1315916 is a wasteful number, since it uses less digits than its factorization.

1315916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47008 (or 47006 counting only the distinct ones).

The product of its digits is 810, while the sum is 26.

The square root of 1315916 is about 1147.1338195695. The cubic root of 1315916 is about 109.5828831137.

The spelling of 1315916 in words is "one million, three hundred fifteen thousand, nine hundred sixteen".