1313512013 has 8 divisors (see below), whose sum is σ = 1466246496. Its totient is φ = 1166331600.

The previous prime is 1313512003. The next prime is 1313512027. The reversal of 1313512013 is 3102153131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313512013 - 2⁶ = 1313511949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313512003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388018 + ... + 1388963.

It is an arithmetic number, because the mean of its divisors is an integer number (183280812).

Almost surely, 2^1313512013 is an apocalyptic number.

It is an amenable number.

1313512013 is a deficient number, since it is larger than the sum of its proper divisors (152734483).

1313512013 is a wasteful number, since it uses less digits than its factorization.

1313512013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777035.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1313512013 is about 36242.4062804886. The cubic root of 1313512013 is about 1095.1611177751.

Adding to 1313512013 its reverse (3102153131), we get a palindrome (4415665144).

The spelling of 1313512013 in words is "one billion, three hundred thirteen million, five hundred twelve thousand, thirteen".