1312747046 has 16 divisors (see below), whose sum is σ = 2133146400. Its totient is φ = 605881224.

The previous prime is 1312746971. The next prime is 1312747091. The reversal of 1312747046 is 6407472131.

It is a super-2 number, since 2×1312747046² = 3446609613563452232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1312746997 and 1312747015.

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, 144986 + ... + 153773.

It is an arithmetic number, because the mean of its divisors is an integer number (133321650).

Almost surely, 2^1312747046 is an apocalyptic number.

1312747046 is a deficient number, since it is larger than the sum of its proper divisors (820399354).

1312747046 is an equidigital number, since it uses as much as digits as its factorization.

1312747046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298800 (or 298774 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1312747046 is about 36231.8512637707. The cubic root of 1312747046 is about 1094.9484754361.

The spelling of 1312747046 in words is "one billion, three hundred twelve million, seven hundred forty-seven thousand, forty-six".