14991879 has 16 divisors (see below), whose sum is σ = 23582720. Its totient is φ = 8290080.

The previous prime is 14991871. The next prime is 14991901. The reversal of 14991879 is 97819941.

It is not a de Polignac number, because 14991879 - 2³ = 14991871 is a prime.

It is a super-3 number, since 3×14991879³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14991871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10864 + ... + 12165.

It is an arithmetic number, because the mean of its divisors is an integer number (1473920).

Almost surely, 2^14991879 is an apocalyptic number.

14991879 is a deficient number, since it is larger than the sum of its proper divisors (8590841).

14991879 is a wasteful number, since it uses less digits than its factorization.

14991879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23070.

The product of its digits is 163296, while the sum is 48.

The square root of 14991879 is about 3871.9347876740. The cubic root of 14991879 is about 246.5766924914.

The spelling of 14991879 in words is "fourteen million, nine hundred ninety-one thousand, eight hundred seventy-nine".