1312616 has 16 divisors (see below), whose sum is σ = 2514240. Its totient is φ = 642160.

The previous prime is 1312603. The next prime is 1312637. The reversal of 1312616 is 6162131.

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, 1370 + ... + 2121.

It is an arithmetic number, because the mean of its divisors is an integer number (157140).

2^1312616 is an apocalyptic number.

It is an amenable number.

1312616 is a deficient number, since it is larger than the sum of its proper divisors (1201624).

1312616 is a wasteful number, since it uses less digits than its factorization.

1312616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544 (or 3540 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 1312616 is about 1145.6945491709. The cubic root of 1312616 is about 109.4912039528.

Adding to 1312616 its reverse (6162131), we get a palindrome (7474747).

The spelling of 1312616 in words is "one million, three hundred twelve thousand, six hundred sixteen".