11939113 has 2 divisors, whose sum is σ = 11939114. Its totient is φ = 11939112.

The previous prime is 11939111. The next prime is 11939177. The reversal of 11939113 is 31193911.

11939113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9467929 + 2471184 = 3077^2 + 1572^2 .

It is a cyclic number.

It is not a de Polignac number, because 11939113 - 2¹ = 11939111 is a prime.

Together with 11939111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11939111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5969556 + 5969557.

It is an arithmetic number, because the mean of its divisors is an integer number (5969557).

Almost surely, 2^11939113 is an apocalyptic number.

It is an amenable number.

11939113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11939113 is an equidigital number, since it uses as much as digits as its factorization.

11939113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 729, while the sum is 28.

The square root of 11939113 is about 3455.3021575544. The cubic root of 11939113 is about 228.5549794524.

The spelling of 11939113 in words is "eleven million, nine hundred thirty-nine thousand, one hundred thirteen".