1186313013 has 32 divisors (see below), whose sum is σ = 1860480000. Its totient is φ = 745006896.

The previous prime is 1186312997. The next prime is 1186313017. The reversal of 1186313013 is 3103136811.

1186313013 is a `hidden beast` number, since 1 + 18 + 631 + 3 + 0 + 13 = 666.

It is not a de Polignac number, because 1186313013 - 2⁴ = 1186312997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1186313017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85368 + ... + 98286.

It is an arithmetic number, because the mean of its divisors is an integer number (58140000).

Almost surely, 2^1186313013 is an apocalyptic number.

It is an amenable number.

1186313013 is a deficient number, since it is larger than the sum of its proper divisors (674166987).

1186313013 is a wasteful number, since it uses less digits than its factorization.

1186313013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13126 (or 13120 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1186313013 is about 34442.8949567251. The cubic root of 1186313013 is about 1058.6029456292.

Adding to 1186313013 its reverse (3103136811), we get a palindrome (4289449824).

The spelling of 1186313013 in words is "one billion, one hundred eighty-six million, three hundred thirteen thousand, thirteen".