11701979 has 2 divisors, whose sum is σ = 11701980. Its totient is φ = 11701978.

The previous prime is 11701951. The next prime is 11702011. The reversal of 11701979 is 97910711.

It is a happy number.

11701979 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (97910711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11701979 - 2²⁰ = 10653403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11701909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5850989 + 5850990.

It is an arithmetic number, because the mean of its divisors is an integer number (5850990).

Almost surely, 2^11701979 is an apocalyptic number.

11701979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11701979 is an equidigital number, since it uses as much as digits as its factorization.

11701979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 35.

The square root of 11701979 is about 3420.8155460358. The cubic root of 11701979 is about 227.0316670681.

The spelling of 11701979 in words is "eleven million, seven hundred one thousand, nine hundred seventy-nine".