1312132304 has 40 divisors (see below), whose sum is σ = 2910736320. Its totient is φ = 561316608.

The previous prime is 1312132271. The next prime is 1312132331. The reversal of 1312132304 is 4032312131.

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, 52652 + ... + 73460.

It is an arithmetic number, because the mean of its divisors is an integer number (72768408).

Almost surely, 2^1312132304 is an apocalyptic number.

1312132304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1312132304 is an abundant number, since it is smaller than the sum of its proper divisors (1598604016).

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

1312132304 is a wasteful number, since it uses less digits than its factorization.

1312132304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21387 (or 21381 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1312132304 is about 36223.3668230881. The cubic root of 1312132304 is about 1094.7775321421. Note that the first 3 decimals are identical.

Adding to 1312132304 its reverse (4032312131), we get a palindrome (5344444435).

The spelling of 1312132304 in words is "one billion, three hundred twelve million, one hundred thirty-two thousand, three hundred four".