1312329562 has 16 divisors (see below), whose sum is σ = 1990029384. Its totient is φ = 649000000.

The previous prime is 1312329533. The next prime is 1312329617. The reversal of 1312329562 is 2659232131.

It can be written as a sum of positive squares in 4 ways, for example, as 1040772121 + 271557441 = 32261^2 + 16479^2 .

It is a super-2 number, since 2×1312329562² = 3444417758598223688, which contains 22 as substring.

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, 235812 + ... + 241312.

Almost surely, 2^1312329562 is an apocalyptic number.

1312329562 is a deficient number, since it is larger than the sum of its proper divisors (677699822).

1312329562 is a wasteful number, since it uses less digits than its factorization.

1312329562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6785.

The product of its digits is 19440, while the sum is 34.

The square root of 1312329562 is about 36226.0895212277. The cubic root of 1312329562 is about 1094.8323901278.

The spelling of 1312329562 in words is "one billion, three hundred twelve million, three hundred twenty-nine thousand, five hundred sixty-two".