11886613 has 2 divisors, whose sum is σ = 11886614. Its totient is φ = 11886612.

The previous prime is 11886601. The next prime is 11886617. The reversal of 11886613 is 31668811.

11886613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11785489 + 101124 = 3433^2 + 318^2 .

It is an emirp because it is prime and its reverse (31668811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11886613 - 2¹³ = 11878421 is a prime.

It is a super-2 number, since 2×11886613² = 282583137223538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11886617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5943306 + 5943307.

It is an arithmetic number, because the mean of its divisors is an integer number (5943307).

Almost surely, 2^11886613 is an apocalyptic number.

It is an amenable number.

11886613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11886613 is an equidigital number, since it uses as much as digits as its factorization.

11886613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 34.

The square root of 11886613 is about 3447.6967674086. The cubic root of 11886613 is about 228.2194780492.

The spelling of 11886613 in words is "eleven million, eight hundred eighty-six thousand, six hundred thirteen".