1313587852 has 12 divisors (see below), whose sum is σ = 2308318936. Its totient is φ = 654068160.

The previous prime is 1313587837. The next prime is 1313587861. The reversal of 1313587852 is 2587853131.

It is a junction number, because it is equal to n+sod(n) for n = 1313587799 and 1313587808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680358 + ... + 682285.

Almost surely, 2^1313587852 is an apocalyptic number.

It is an amenable number.

1313587852 is a deficient number, since it is larger than the sum of its proper divisors (994731084).

1313587852 is a wasteful number, since it uses less digits than its factorization.

1313587852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362888 (or 1362886 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The square root of 1313587852 is about 36243.4525397347. The cubic root of 1313587852 is about 1095.1821946856.

The spelling of 1313587852 in words is "one billion, three hundred thirteen million, five hundred eighty-seven thousand, eight hundred fifty-two".