14249991 has 16 divisors (see below), whose sum is σ = 22464000. Its totient is φ = 7861728.

The previous prime is 14249959. The next prime is 14250007. The reversal of 14249991 is 19994241.

It is not a de Polignac number, because 14249991 - 2⁵ = 14249959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14249891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11091 + ... + 12308.

It is an arithmetic number, because the mean of its divisors is an integer number (1404000).

Almost surely, 2^14249991 is an apocalyptic number.

14249991 is a deficient number, since it is larger than the sum of its proper divisors (8214009).

14249991 is a wasteful number, since it uses less digits than its factorization.

14249991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23438.

The product of its digits is 23328, while the sum is 39.

The square root of 14249991 is about 3774.9160255561. The cubic root of 14249991 is about 242.4403282519.

The spelling of 14249991 in words is "fourteen million, two hundred forty-nine thousand, nine hundred ninety-one".