1312413515 has 32 divisors (see below), whose sum is σ = 1910770560. Its totient is φ = 844775424.

The previous prime is 1312413503. The next prime is 1312413521. The reversal of 1312413515 is 5153142131.

It is not a de Polignac number, because 1312413515 - 2⁶ = 1312413451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240659 + ... + 246051.

It is an arithmetic number, because the mean of its divisors is an integer number (59711580).

Almost surely, 2^1312413515 is an apocalyptic number.

1312413515 is a deficient number, since it is larger than the sum of its proper divisors (598357045).

1312413515 is a wasteful number, since it uses less digits than its factorization.

1312413515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5831.

The product of its digits is 1800, while the sum is 26.

The square root of 1312413515 is about 36227.2482394123. The cubic root of 1312413515 is about 1094.8557360175.

Adding to 1312413515 its reverse (5153142131), we get a palindrome (6465555646).

The spelling of 1312413515 in words is "one billion, three hundred twelve million, four hundred thirteen thousand, five hundred fifteen".