1312693432 has 16 divisors (see below), whose sum is σ = 2590842600. Its totient is φ = 621802080.

The previous prime is 1312693429. The next prime is 1312693469. The reversal of 1312693432 is 2343962131.

It is a congruent number.

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, 4317919 + ... + 4318222.

Almost surely, 2^1312693432 is an apocalyptic number.

It is an amenable number.

1312693432 is a deficient number, since it is larger than the sum of its proper divisors (1278149168).

1312693432 is a wasteful number, since it uses less digits than its factorization.

1312693432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8636166 (or 8636162 counting only the distinct ones).

The product of its digits is 23328, while the sum is 34.

The square root of 1312693432 is about 36231.1113823465. Note that the first 3 decimals coincide. The cubic root of 1312693432 is about 1094.9335689424.

The spelling of 1312693432 in words is "one billion, three hundred twelve million, six hundred ninety-three thousand, four hundred thirty-two".