11958099 has 4 divisors (see below), whose sum is σ = 15944136. Its totient is φ = 7972064.

The previous prime is 11958083. The next prime is 11958103. The reversal of 11958099 is 99085911.

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 11958099 - 2⁴ = 11958083 is a prime.

It is a super-2 number, since 2×11958099² = 285992263387602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11958099.

It is not an unprimeable number, because it can be changed into a prime (11958029) 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, 1993014 + ... + 1993019.

It is an arithmetic number, because the mean of its divisors is an integer number (3986034).

Almost surely, 2^11958099 is an apocalyptic number.

11958099 is a deficient number, since it is larger than the sum of its proper divisors (3986037).

11958099 is an equidigital number, since it uses as much as digits as its factorization.

11958099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986036.

The product of its (nonzero) digits is 29160, while the sum is 42.

The square root of 11958099 is about 3458.0484380645. The cubic root of 11958099 is about 228.6760673612.

The spelling of 11958099 in words is "eleven million, nine hundred fifty-eight thousand, ninety-nine".