1313376448 has 14 divisors (see below), whose sum is σ = 2606231516. Its totient is φ = 656688192.

The previous prime is 1313376437. The next prime is 1313376481. The reversal of 1313376448 is 8446733131.

It is a super-2 number, since 2×1313376448² = 3449915388322193408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1313376448.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10260690 + ... + 10260817.

It is an arithmetic number, because the mean of its divisors is an integer number (186159394).

Almost surely, 2^1313376448 is an apocalyptic number.

It is an amenable number.

1313376448 is a deficient number, since it is larger than the sum of its proper divisors (1292855068).

1313376448 is an equidigital number, since it uses as much as digits as its factorization.

1313376448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20521519 (or 20521509 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 1313376448 is about 36240.5359783765. The cubic root of 1313376448 is about 1095.1234400014.

The spelling of 1313376448 in words is "one billion, three hundred thirteen million, three hundred seventy-six thousand, four hundred forty-eight".