11992499 has 8 divisors (see below), whose sum is σ = 12549120. Its totient is φ = 11438856.

The previous prime is 11992493. The next prime is 11992511. The reversal of 11992499 is 99429911.

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

It is a cyclic number.

It is not a de Polignac number, because 11992499 - 2⁸ = 11992243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11992493) 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 in 7 ways as a sum of consecutive naturals, for example, 13532 + ... + 14390.

It is an arithmetic number, because the mean of its divisors is an integer number (1568640).

Almost surely, 2^11992499 is an apocalyptic number.

11992499 is a deficient number, since it is larger than the sum of its proper divisors (556621).

11992499 is an equidigital number, since it uses as much as digits as its factorization.

11992499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489.

The product of its digits is 52488, while the sum is 44.

The square root of 11992499 is about 3463.0187698019. The cubic root of 11992499 is about 228.8951357815.

The spelling of 11992499 in words is "eleven million, nine hundred ninety-two thousand, four hundred ninety-nine".