1312665954 has 32 divisors (see below), whose sum is σ = 2682340224. Its totient is φ = 428129280.

The previous prime is 1312665923. The next prime is 1312665979. The reversal of 1312665954 is 4595662131.

1312665954 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61347 + ... + 79929.

It is an arithmetic number, because the mean of its divisors is an integer number (83823132).

Almost surely, 2^1312665954 is an apocalyptic number.

1312665954 is an abundant number, since it is smaller than the sum of its proper divisors (1369674270).

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

1312665954 is a wasteful number, since it uses less digits than its factorization.

1312665954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18842.

The product of its digits is 194400, while the sum is 42.

The square root of 1312665954 is about 36230.7321758752. The cubic root of 1312665954 is about 1094.9259289776.

The spelling of 1312665954 in words is "one billion, three hundred twelve million, six hundred sixty-five thousand, nine hundred fifty-four".