14669987 has 2 divisors, whose sum is σ = 14669988. Its totient is φ = 14669986.

The previous prime is 14669971. The next prime is 14670011. The reversal of 14669987 is 78996641.

It is a weak prime.

It is an emirp because it is prime and its reverse (78996641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14669987 - 2⁴ = 14669971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14669917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7334993 + 7334994.

It is an arithmetic number, because the mean of its divisors is an integer number (7334994).

Almost surely, 2^14669987 is an apocalyptic number.

14669987 is a deficient number, since it is larger than the sum of its proper divisors (1).

14669987 is an equidigital number, since it uses as much as digits as its factorization.

14669987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 50.

The square root of 14669987 is about 3830.1419033764. The cubic root of 14669987 is about 244.7991523441.

The spelling of 14669987 in words is "fourteen million, six hundred sixty-nine thousand, nine hundred eighty-seven".