1312792 has 24 divisors (see below), whose sum is σ = 2668140. Its totient is φ = 605280.

The previous prime is 1312789. The next prime is 1312813. The reversal of 1312792 is 2972131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 867 + ... + 1837.

2^1312792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334070).

1312792 is an abundant number, since it is smaller than the sum of its proper divisors (1355348).

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

1312792 is a wasteful number, since it uses less digits than its factorization.

1312792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003 (or 986 counting only the distinct ones).

The product of its digits is 756, while the sum is 25.

The square root of 1312792 is about 1145.7713558996. The cubic root of 1312792 is about 109.4960973846.

The spelling of 1312792 in words is "one million, three hundred twelve thousand, seven hundred ninety-two".