14815663 has 2 divisors, whose sum is σ = 14815664. Its totient is φ = 14815662.

The previous prime is 14815639. The next prime is 14815681. The reversal of 14815663 is 36651841.

It is a happy number.

14815663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14815663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14815963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7407831 + 7407832.

It is an arithmetic number, because the mean of its divisors is an integer number (7407832).

Almost surely, 2^14815663 is an apocalyptic number.

14815663 is a deficient number, since it is larger than the sum of its proper divisors (1).

14815663 is an equidigital number, since it uses as much as digits as its factorization.

14815663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 14815663 is about 3849.1119755081. Note that the first 3 decimals coincide. The cubic root of 14815663 is about 245.6067869313.

The spelling of 14815663 in words is "fourteen million, eight hundred fifteen thousand, six hundred sixty-three".