14378913 has 6 divisors (see below), whose sum is σ = 20769554. Its totient is φ = 9585936.

The previous prime is 14378879. The next prime is 14378927. The reversal of 14378913 is 31987341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9437184 + 4941729 = 3072^2 + 2223^2 .

It is not a de Polignac number, because 14378913 - 2¹⁴ = 14362529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14378963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 798820 + ... + 798837.

Almost surely, 2^14378913 is an apocalyptic number.

It is an amenable number.

14378913 is a deficient number, since it is larger than the sum of its proper divisors (6390641).

14378913 is a wasteful number, since it uses less digits than its factorization.

14378913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597663 (or 1597660 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 14378913 is about 3791.9537180720. The cubic root of 14378913 is about 243.1692668145.

The spelling of 14378913 in words is "fourteen million, three hundred seventy-eight thousand, nine hundred thirteen".