11655013 has 16 divisors (see below), whose sum is σ = 13063680. Its totient is φ = 10345216.

The previous prime is 11654987. The next prime is 11655019. The reversal of 11655013 is 31055611.

It is a cyclic number.

It is not a de Polignac number, because 11655013 - 2¹³ = 11646821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11655019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22920 + ... + 23422.

It is an arithmetic number, because the mean of its divisors is an integer number (816480).

Almost surely, 2^11655013 is an apocalyptic number.

It is an amenable number.

11655013 is a deficient number, since it is larger than the sum of its proper divisors (1408667).

11655013 is a wasteful number, since it uses less digits than its factorization.

11655013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 11655013 is about 3413.9439069791. The cubic root of 11655013 is about 226.7275285912.

The spelling of 11655013 in words is "eleven million, six hundred fifty-five thousand, thirteen".