1297496913 has 8 divisors (see below), whose sum is σ = 1749434400. Its totient is φ = 855278688.

The previous prime is 1297496891. The next prime is 1297496923. The reversal of 1297496913 is 3196947921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1297496913 - 2¹⁴ = 1297480529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1297496923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429503 + ... + 2430036.

It is an arithmetic number, because the mean of its divisors is an integer number (218679300).

Almost surely, 2^1297496913 is an apocalyptic number.

It is an amenable number.

1297496913 is a deficient number, since it is larger than the sum of its proper divisors (451937487).

1297496913 is an equidigital number, since it uses as much as digits as its factorization.

1297496913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859631.

The product of its digits is 734832, while the sum is 51.

The square root of 1297496913 is about 36020.7844584207. The cubic root of 1297496913 is about 1090.6919583010.

The spelling of 1297496913 in words is "one billion, two hundred ninety-seven million, four hundred ninety-six thousand, nine hundred thirteen".