1312867677 has 16 divisors (see below), whose sum is σ = 1918199808. Its totient is φ = 792104880.

The previous prime is 1312867663. The next prime is 1312867709. The reversal of 1312867677 is 7767682131.

It is not a de Polignac number, because 1312867677 - 2¹⁵ = 1312834909 is a prime.

It is a super-2 number, since 2×1312867677² = 3447243074622752658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312867627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81843 + ... + 96560.

It is an arithmetic number, because the mean of its divisors is an integer number (119887488).

Almost surely, 2^1312867677 is an apocalyptic number.

It is an amenable number.

1312867677 is a deficient number, since it is larger than the sum of its proper divisors (605332131).

1312867677 is a wasteful number, since it uses less digits than its factorization.

1312867677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178640.

The product of its digits is 592704, while the sum is 48.

The square root of 1312867677 is about 36233.5159348358. The cubic root of 1312867677 is about 1094.9820134240.

The spelling of 1312867677 in words is "one billion, three hundred twelve million, eight hundred sixty-seven thousand, six hundred seventy-seven".