13994923 has 2 divisors, whose sum is σ = 13994924. Its totient is φ = 13994922.

The previous prime is 13994873. The next prime is 13994933. The reversal of 13994923 is 32949931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13994923 - 2⁹ = 13994411 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (13994933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6997461 + 6997462.

It is an arithmetic number, because the mean of its divisors is an integer number (6997462).

Almost surely, 2^13994923 is an apocalyptic number.

13994923 is a deficient number, since it is larger than the sum of its proper divisors (1).

13994923 is an equidigital number, since it uses as much as digits as its factorization.

13994923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 40.

The square root of 13994923 is about 3740.9788825921. The cubic root of 13994923 is about 240.9850888658.

The spelling of 13994923 in words is "thirteen million, nine hundred ninety-four thousand, nine hundred twenty-three".