14897999 has 2 divisors, whose sum is σ = 14898000. Its totient is φ = 14897998.

The previous prime is 14897983. The next prime is 14898007. The reversal of 14897999 is 99979841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14897999 - 2⁴ = 14897983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14897299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7448999 + 7449000.

It is an arithmetic number, because the mean of its divisors is an integer number (7449000).

Almost surely, 2^14897999 is an apocalyptic number.

14897999 is a deficient number, since it is larger than the sum of its proper divisors (1).

14897999 is an equidigital number, since it uses as much as digits as its factorization.

14897999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 56.

The square root of 14897999 is about 3859.7926110090. The cubic root of 14897999 is about 246.0609219639.

The spelling of 14897999 in words is "fourteen million, eight hundred ninety-seven thousand, nine hundred ninety-nine".