11979499 has 8 divisors (see below), whose sum is σ = 14009600. Its totient is φ = 10029096.

The previous prime is 11979497. The next prime is 11979511. The reversal of 11979499 is 99497911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11979499 - 2¹ = 11979497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11979491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19599 + ... + 20200.

It is an arithmetic number, because the mean of its divisors is an integer number (1751200).

Almost surely, 2^11979499 is an apocalyptic number.

11979499 is a deficient number, since it is larger than the sum of its proper divisors (2030101).

11979499 is an equidigital number, since it uses as much as digits as its factorization.

11979499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39849.

The product of its digits is 183708, while the sum is 49.

The square root of 11979499 is about 3461.1412857611. The cubic root of 11979499 is about 228.8123976016.

The spelling of 11979499 in words is "eleven million, nine hundred seventy-nine thousand, four hundred ninety-nine".