14997817 has 4 divisors (see below), whose sum is σ = 15649920. Its totient is φ = 14345716.

The previous prime is 14997803. The next prime is 14997833. The reversal of 14997817 is 71879941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14997817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14997847) 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 3 ways as a sum of consecutive naturals, for example, 326017 + ... + 326062.

It is an arithmetic number, because the mean of its divisors is an integer number (3912480).

Almost surely, 2^14997817 is an apocalyptic number.

It is an amenable number.

14997817 is a deficient number, since it is larger than the sum of its proper divisors (652103).

14997817 is an equidigital number, since it uses as much as digits as its factorization.

14997817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652102.

The product of its digits is 127008, while the sum is 46.

The square root of 14997817 is about 3872.7015118648. The cubic root of 14997817 is about 246.6092429838.

It can be divided in two parts, 1499 and 7817, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 14997817 in words is "fourteen million, nine hundred ninety-seven thousand, eight hundred seventeen".