11885279 has 8 divisors (see below), whose sum is σ = 14298240. Its totient is φ = 9651096.

The previous prime is 11885267. The next prime is 11885287. The reversal of 11885279 is 97258811.

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

It is a de Polignac number, because none of the positive numbers 2^k-11885279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885299) 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, 44549 + ... + 44814.

It is an arithmetic number, because the mean of its divisors is an integer number (1787280).

Almost surely, 2^11885279 is an apocalyptic number.

11885279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11885279 is a deficient number, since it is larger than the sum of its proper divisors (2412961).

11885279 is an equidigital number, since it uses as much as digits as its factorization.

11885279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89389.

The product of its digits is 40320, while the sum is 41.

The square root of 11885279 is about 3447.5032994908. The cubic root of 11885279 is about 228.2109402604.

The spelling of 11885279 in words is "eleven million, eight hundred eighty-five thousand, two hundred seventy-nine".