1312153604 has 24 divisors (see below), whose sum is σ = 2500478400. Its totient is φ = 600112800.

The previous prime is 1312153573. The next prime is 1312153621. The reversal of 1312153604 is 4063512131.

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, 295472 + ... + 299879.

It is an arithmetic number, because the mean of its divisors is an integer number (104186600).

Almost surely, 2^1312153604 is an apocalyptic number.

It is an amenable number.

1312153604 is a deficient number, since it is larger than the sum of its proper divisors (1188324796).

1312153604 is a wasteful number, since it uses less digits than its factorization.

1312153604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595403 (or 595401 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1312153604 is about 36223.6608310093. The cubic root of 1312153604 is about 1094.7834559947.

Adding to 1312153604 its reverse (4063512131), we get a palindrome (5375665735).

The spelling of 1312153604 in words is "one billion, three hundred twelve million, one hundred fifty-three thousand, six hundred four".