1313512 has 16 divisors (see below), whose sum is σ = 2486340. Its totient is φ = 650496.

The previous prime is 1313467. The next prime is 1313567. The reversal of 1313512 is 2153131.

It can be written as a sum of positive squares in 2 ways, for example, as 1313316 + 196 = 1146^2 + 14^2 .

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, 178 + ... + 1630.

2^1313512 is an apocalyptic number.

It is an amenable number.

1313512 is a deficient number, since it is larger than the sum of its proper divisors (1172828).

1313512 is a wasteful number, since it uses less digits than its factorization.

1313512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1568 counting only the distinct ones).

The product of its digits is 90, while the sum is 16.

The square root of 1313512 is about 1146.0855116439. The cubic root of 1313512 is about 109.5161114162.

Adding to 1313512 its reverse (2153131), we get a palindrome (3466643).

The spelling of 1313512 in words is "one million, three hundred thirteen thousand, five hundred twelve".