1312575036 has 24 divisors (see below), whose sum is σ = 3064556880. Its totient is φ = 437256192.

The previous prime is 1312575023. The next prime is 1312575053. The reversal of 1312575036 is 6305752131.

It is a junction number, because it is equal to n+sod(n) for n = 1312574988 and 1312575006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12741 + ... + 52796.

It is an arithmetic number, because the mean of its divisors is an integer number (127689870).

Almost surely, 2^1312575036 is an apocalyptic number.

It is an amenable number.

1312575036 is an abundant number, since it is smaller than the sum of its proper divisors (1751981844).

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

1312575036 is a wasteful number, since it uses less digits than its factorization.

1312575036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67213 (or 67211 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 1312575036 is about 36229.4774458589. The cubic root of 1312575036 is about 1094.9006494377.

The spelling of 1312575036 in words is "one billion, three hundred twelve million, five hundred seventy-five thousand, thirty-six".