11955679 has 2 divisors, whose sum is σ = 11955680. Its totient is φ = 11955678.

The previous prime is 11955659. The next prime is 11955683. The reversal of 11955679 is 97655911.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11955679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11955649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5977839 + 5977840.

It is an arithmetic number, because the mean of its divisors is an integer number (5977840).

Almost surely, 2^11955679 is an apocalyptic number.

11955679 is a deficient number, since it is larger than the sum of its proper divisors (1).

11955679 is an equidigital number, since it uses as much as digits as its factorization.

11955679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 43.

The square root of 11955679 is about 3457.6985120163. The cubic root of 11955679 is about 228.6606403434.

The spelling of 11955679 in words is "eleven million, nine hundred fifty-five thousand, six hundred seventy-nine".