14664997 has 2 divisors, whose sum is σ = 14664998. Its totient is φ = 14664996.

The previous prime is 14664983. The next prime is 14665009. The reversal of 14664997 is 79946641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11737476 + 2927521 = 3426^2 + 1711^2 .

It is an emirp because it is prime and its reverse (79946641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14664997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14664977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7332498 + 7332499.

It is an arithmetic number, because the mean of its divisors is an integer number (7332499).

Almost surely, 2^14664997 is an apocalyptic number.

It is an amenable number.

14664997 is a deficient number, since it is larger than the sum of its proper divisors (1).

14664997 is an equidigital number, since it uses as much as digits as its factorization.

14664997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 14664997 is about 3829.4904360763. The cubic root of 14664997 is about 244.7713930307.

The spelling of 14664997 in words is "fourteen million, six hundred sixty-four thousand, nine hundred ninety-seven".