11487279 has 12 divisors (see below), whose sum is σ = 15747144. Its totient is φ = 7448544.

The previous prime is 11487269. The next prime is 11487293. The reversal of 11487279 is 97278411.

It is not a de Polignac number, because 11487279 - 2⁵ = 11487247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11487209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2709 + ... + 5505.

It is an arithmetic number, because the mean of its divisors is an integer number (1312262).

Almost surely, 2^11487279 is an apocalyptic number.

11487279 is a deficient number, since it is larger than the sum of its proper divisors (4259865).

11487279 is an equidigital number, since it uses as much as digits as its factorization.

11487279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874 (or 2837 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 11487279 is about 3389.2888634638. The cubic root of 11487279 is about 225.6346133262.

The spelling of 11487279 in words is "eleven million, four hundred eighty-seven thousand, two hundred seventy-nine".