14879991 has 16 divisors (see below), whose sum is σ = 22950144. Its totient is φ = 8399424.

The previous prime is 14879971. The next prime is 14880013. The reversal of 14879991 is 19997841.

It is not a de Polignac number, because 14879991 - 2⁵ = 14879959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14879991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14879941) 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, 2526 + ... + 6011.

It is an arithmetic number, because the mean of its divisors is an integer number (1434384).

Almost surely, 2^14879991 is an apocalyptic number.

14879991 is a deficient number, since it is larger than the sum of its proper divisors (8070153).

14879991 is an equidigital number, since it uses as much as digits as its factorization.

14879991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630.

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

The square root of 14879991 is about 3857.4591378263. The cubic root of 14879991 is about 245.9617397037.

The spelling of 14879991 in words is "fourteen million, eight hundred seventy-nine thousand, nine hundred ninety-one".