11996599 has 2 divisors, whose sum is σ = 11996600. Its totient is φ = 11996598.

The previous prime is 11996591. The next prime is 11996617. The reversal of 11996599 is 99569911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11996599 - 2³ = 11996591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11996591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5998299 + 5998300.

It is an arithmetic number, because the mean of its divisors is an integer number (5998300).

Almost surely, 2^11996599 is an apocalyptic number.

11996599 is a deficient number, since it is larger than the sum of its proper divisors (1).

11996599 is an equidigital number, since it uses as much as digits as its factorization.

11996599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196830, while the sum is 49.

The square root of 11996599 is about 3463.6106882847. The cubic root of 11996599 is about 228.9212177274.

The spelling of 11996599 in words is "eleven million, nine hundred ninety-six thousand, five hundred ninety-nine".