1312654652 has 6 divisors (see below), whose sum is σ = 2297145648. Its totient is φ = 656327324.

The previous prime is 1312654649. The next prime is 1312654667. The reversal of 1312654652 is 2564562131.

It is a super-2 number, since 2×1312654652² = 3446124470834482208, which contains 22 as substring.

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, 164081828 + ... + 164081835.

It is an arithmetic number, because the mean of its divisors is an integer number (382857608).

Almost surely, 2^1312654652 is an apocalyptic number.

It is an amenable number.

1312654652 is a deficient number, since it is larger than the sum of its proper divisors (984490996).

1312654652 is a wasteful number, since it uses less digits than its factorization.

1312654652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328163667 (or 328163665 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 1312654652 is about 36230.5762029808. The cubic root of 1312654652 is about 1094.9227865462.

The spelling of 1312654652 in words is "one billion, three hundred twelve million, six hundred fifty-four thousand, six hundred fifty-two".