1312901552 has 20 divisors (see below), whose sum is σ = 2547113016. Its totient is φ = 655582080.

The previous prime is 1312901533. The next prime is 1312901563. The reversal of 1312901552 is 2551092131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41738 + ... + 66089.

Almost surely, 2^1312901552 is an apocalyptic number.

It is an amenable number.

1312901552 is a deficient number, since it is larger than the sum of its proper divisors (1234211464).

1312901552 is a wasteful number, since it uses less digits than its factorization.

1312901552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108596 (or 108590 counting only the distinct ones).

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

The square root of 1312901552 is about 36233.9833857665. The cubic root of 1312901552 is about 1094.9914310263.

Adding to 1312901552 its reverse (2551092131), we get a palindrome (3863993683).

The spelling of 1312901552 in words is "one billion, three hundred twelve million, nine hundred one thousand, five hundred fifty-two".