11996659 has 4 divisors (see below), whose sum is σ = 12383680. Its totient is φ = 11609640.

The previous prime is 11996651. The next prime is 11996681. The reversal of 11996659 is 95669911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11996659 - 2³ = 11996651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11996651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193464 + ... + 193525.

It is an arithmetic number, because the mean of its divisors is an integer number (3095920).

Almost surely, 2^11996659 is an apocalyptic number.

11996659 is a deficient number, since it is larger than the sum of its proper divisors (387021).

11996659 is an equidigital number, since it uses as much as digits as its factorization.

11996659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387020.

The product of its digits is 131220, while the sum is 46.

The square root of 11996659 is about 3463.6193497554. The cubic root of 11996659 is about 228.9215993703.

The spelling of 11996659 in words is "eleven million, nine hundred ninety-six thousand, six hundred fifty-nine".