1312735875 has 64 divisors (see below), whose sum is σ = 2399334912. Its totient is φ = 632112000.

The previous prime is 1312735873. The next prime is 1312735883. The reversal of 1312735875 is 5785372131.

It is a happy number.

It is not a de Polignac number, because 1312735875 - 2¹ = 1312735873 is a prime.

It is a super-3 number, since 3×1312735875³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312735873) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 646612 + ... + 648638.

It is an arithmetic number, because the mean of its divisors is an integer number (37489608).

Almost surely, 2^1312735875 is an apocalyptic number.

1312735875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1312735875 is a deficient number, since it is larger than the sum of its proper divisors (1086599037).

1312735875 is a wasteful number, since it uses less digits than its factorization.

1312735875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213 (or 2203 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 1312735875 is about 36231.6971035032. The cubic root of 1312735875 is about 1094.9453695561.

The spelling of 1312735875 in words is "one billion, three hundred twelve million, seven hundred thirty-five thousand, eight hundred seventy-five".