1315592012 has 48 divisors (see below), whose sum is σ = 2725459968. Its totient is φ = 543749760.

The previous prime is 1315592011. The next prime is 1315592021. The reversal of 1315592012 is 2102955131.

It is not an unprimeable number, because it can be changed into a prime (1315592011) 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, 264008 + ... + 268944.

It is an arithmetic number, because the mean of its divisors is an integer number (56780416).

Almost surely, 2^1315592012 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 1315592012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1362729984).

1315592012 is an abundant number, since it is smaller than the sum of its proper divisors (1409867956).

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

1315592012 is a wasteful number, since it uses less digits than its factorization.

1315592012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286 (or 5284 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 1315592012 is about 36271.0905818946. The cubic root of 1315592012 is about 1095.7388901045.

The spelling of 1315592012 in words is "one billion, three hundred fifteen million, five hundred ninety-two thousand, twelve".