14387939 has 2 divisors, whose sum is σ = 14387940. Its totient is φ = 14387938.

The previous prime is 14387911. The next prime is 14388037. The reversal of 14387939 is 93978341.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (93978341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14387939 - 2¹² = 14383843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14387939.

It is not a weakly prime, because it can be changed into another prime (14387239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7193969 + 7193970.

It is an arithmetic number, because the mean of its divisors is an integer number (7193970).

Almost surely, 2^14387939 is an apocalyptic number.

14387939 is a deficient number, since it is larger than the sum of its proper divisors (1).

14387939 is an equidigital number, since it uses as much as digits as its factorization.

14387939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 14387939 is about 3793.1436830154. The cubic root of 14387939 is about 243.2201372966.

The spelling of 14387939 in words is "fourteen million, three hundred eighty-seven thousand, nine hundred thirty-nine".