13879953 has 6 divisors (see below), whose sum is σ = 20048834. Its totient is φ = 9253296.

The previous prime is 13879907. The next prime is 13879967. The reversal of 13879953 is 35997831.

It is a happy number.

13879953 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12552849 + 1327104 = 3543^2 + 1152^2 .

It is not a de Polignac number, because 13879953 - 2⁶ = 13879889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13879899 and 13879908.

It is not an unprimeable number, because it can be changed into a prime (13879553) 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, 771100 + ... + 771117.

Almost surely, 2^13879953 is an apocalyptic number.

It is an amenable number.

13879953 is a deficient number, since it is larger than the sum of its proper divisors (6168881).

13879953 is a wasteful number, since it uses less digits than its factorization.

13879953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542223 (or 1542220 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 13879953 is about 3725.5808943036. The cubic root of 13879953 is about 240.3233661972.

The spelling of 13879953 in words is "thirteen million, eight hundred seventy-nine thousand, nine hundred fifty-three".