1313207424 has 64 divisors (see below), whose sum is σ = 3875796000. Its totient is φ = 437734656.

The previous prime is 1313207369. The next prime is 1313207443. The reversal of 1313207424 is 4247023131.

It is a happy number.

1313207424 is a `hidden beast` number, since 1 + 31 + 3 + 207 + 424 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186534 + ... + 193445.

Almost surely, 2^1313207424 is an apocalyptic number.

It is an amenable number.

1313207424 is an abundant number, since it is smaller than the sum of its proper divisors (2562588576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313207424 is an equidigital number, since it uses as much as digits as its factorization.

1313207424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380002 (or 379984 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1313207424 is about 36238.2039290029. The cubic root of 1313207424 is about 1095.0764592886.

The spelling of 1313207424 in words is "one billion, three hundred thirteen million, two hundred seven thousand, four hundred twenty-four".