1313472057 has 16 divisors (see below), whose sum is σ = 1772907840. Its totient is φ = 864864000.

The previous prime is 1313472049. The next prime is 1313472059. The reversal of 1313472057 is 7502743131.

It is not a de Polignac number, because 1313472057 - 2³ = 1313472049 is a prime.

It is a super-2 number, since 2×1313472057² = 3450417689039622498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313472059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310557 + ... + 314757.

It is an arithmetic number, because the mean of its divisors is an integer number (110806740).

Almost surely, 2^1313472057 is an apocalyptic number.

It is an amenable number.

1313472057 is a deficient number, since it is larger than the sum of its proper divisors (459435783).

1313472057 is a wasteful number, since it uses less digits than its factorization.

1313472057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 1313472057 is about 36241.8550435819. The cubic root of 1313472057 is about 1095.1500130165.

The spelling of 1313472057 in words is "one billion, three hundred thirteen million, four hundred seventy-two thousand, fifty-seven".