11715613 has 16 divisors (see below), whose sum is σ = 14887936. Its totient is φ = 8968320.

The previous prime is 11715611. The next prime is 11715617. The reversal of 11715613 is 31651711.

It is a cyclic number.

It is not a de Polignac number, because 11715613 - 2¹ = 11715611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11715611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745 + ... + 4897.

It is an arithmetic number, because the mean of its divisors is an integer number (930496).

Almost surely, 2^11715613 is an apocalyptic number.

11715613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11715613 is a deficient number, since it is larger than the sum of its proper divisors (3172323).

11715613 is a wasteful number, since it uses less digits than its factorization.

11715613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204.

The product of its digits is 630, while the sum is 25.

The square root of 11715613 is about 3422.8077655632. The cubic root of 11715613 is about 227.1198045360.

The spelling of 11715613 in words is "eleven million, seven hundred fifteen thousand, six hundred thirteen".