14920691 has 2 divisors, whose sum is σ = 14920692. Its totient is φ = 14920690.

The previous prime is 14920673. The next prime is 14920693. The reversal of 14920691 is 19602941.

It is a strong prime.

It is an emirp because it is prime and its reverse (19602941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14920691 - 2⁶ = 14920627 is a prime.

Together with 14920693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14920693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7460345 + 7460346.

It is an arithmetic number, because the mean of its divisors is an integer number (7460346).

Almost surely, 2^14920691 is an apocalyptic number.

14920691 is a deficient number, since it is larger than the sum of its proper divisors (1).

14920691 is an equidigital number, since it uses as much as digits as its factorization.

14920691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 14920691 is about 3862.7310286894. The cubic root of 14920691 is about 246.1857884404.

The spelling of 14920691 in words is "fourteen million, nine hundred twenty thousand, six hundred ninety-one".