14891699 has 2 divisors, whose sum is σ = 14891700. Its totient is φ = 14891698.

The previous prime is 14891671. The next prime is 14891713. The reversal of 14891699 is 99619841.

It is a strong prime.

It is an emirp because it is prime and its reverse (99619841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14891699 - 2¹² = 14887603 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14891399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7445849 + 7445850.

It is an arithmetic number, because the mean of its divisors is an integer number (7445850).

Almost surely, 2^14891699 is an apocalyptic number.

14891699 is a deficient number, since it is larger than the sum of its proper divisors (1).

14891699 is an equidigital number, since it uses as much as digits as its factorization.

14891699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 47.

The square root of 14891699 is about 3858.9764186893. The cubic root of 14891699 is about 246.0262326885.

The spelling of 14891699 in words is "fourteen million, eight hundred ninety-one thousand, six hundred ninety-nine".