14249665 has 4 divisors (see below), whose sum is σ = 17099604. Its totient is φ = 11399728.

The previous prime is 14249647. The next prime is 14249687. The reversal of 14249665 is 56694241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3810304 + 10439361 = 1952^2 + 3231^2 .

It is a cyclic number.

It is not a de Polignac number, because 14249665 - 2⁷ = 14249537 is a prime.

It is a super-2 number, since 2×14249665² = 406105905224450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1424962 + ... + 1424971.

It is an arithmetic number, because the mean of its divisors is an integer number (4274901).

Almost surely, 2^14249665 is an apocalyptic number.

It is an amenable number.

14249665 is a deficient number, since it is larger than the sum of its proper divisors (2849939).

14249665 is an equidigital number, since it uses as much as digits as its factorization.

14249665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849938.

The product of its digits is 51840, while the sum is 37.

The square root of 14249665 is about 3774.8728455406. The cubic root of 14249665 is about 242.4384794519.

The spelling of 14249665 in words is "fourteen million, two hundred forty-nine thousand, six hundred sixty-five".