1313567072 has 12 divisors (see below), whose sum is σ = 2586085236. Its totient is φ = 656783520.

The previous prime is 1313567069. The next prime is 1313567083. The reversal of 1313567072 is 2707653131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20524454 + ... + 20524517.

It is an arithmetic number, because the mean of its divisors is an integer number (215507103).

Almost surely, 2^1313567072 is an apocalyptic number.

It is an amenable number.

1313567072 is a deficient number, since it is larger than the sum of its proper divisors (1272518164).

1313567072 is an equidigital number, since it uses as much as digits as its factorization.

1313567072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41048981 (or 41048973 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 1313567072 is about 36243.1658661326. The cubic root of 1313567072 is about 1095.1764196611.

The spelling of 1313567072 in words is "one billion, three hundred thirteen million, five hundred sixty-seven thousand, seventy-two".