1312916 has 24 divisors (see below), whose sum is σ = 2558304. Its totient is φ = 584480.

The previous prime is 1312907. The next prime is 1312921. The reversal of 1312916 is 6192131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1312891 and 1312900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2051 + ... + 2613.

It is an arithmetic number, because the mean of its divisors is an integer number (106596).

2^1312916 is an apocalyptic number.

It is an amenable number.

1312916 is a deficient number, since it is larger than the sum of its proper divisors (1245388).

1312916 is a wasteful number, since it uses less digits than its factorization.

1312916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 629 counting only the distinct ones).

The product of its digits is 324, while the sum is 23.

The square root of 1312916 is about 1145.8254666397. The cubic root of 1312916 is about 109.4995447671.

The spelling of 1312916 in words is "one million, three hundred twelve thousand, nine hundred sixteen".