1312642013 has 8 divisors (see below), whose sum is σ = 1328970048. Its totient is φ = 1296396864.

The previous prime is 1312641977. The next prime is 1312642031. The reversal of 1312642013 is 3102462131.

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 1312642013 - 2¹² = 1312637917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312642013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312642613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11456 + ... + 52502.

It is an arithmetic number, because the mean of its divisors is an integer number (166121256).

Almost surely, 2^1312642013 is an apocalyptic number.

It is an amenable number.

1312642013 is a deficient number, since it is larger than the sum of its proper divisors (16328035).

1312642013 is a wasteful number, since it uses less digits than its factorization.

1312642013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41443.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1312642013 is about 36230.4017780648. The cubic root of 1312642013 is about 1094.9192723511.

The spelling of 1312642013 in words is "one billion, three hundred twelve million, six hundred forty-two thousand, thirteen".