13888844 has 6 divisors (see below), whose sum is σ = 24305484. Its totient is φ = 6944420.

The previous prime is 13888843. The next prime is 13888879. The reversal of 13888844 is 44888831.

It is a junction number, because it is equal to n+sod(n) for n = 13888795 and 13888804.

It is not an unprimeable number, because it can be changed into a prime (13888841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1736102 + ... + 1736109.

It is an arithmetic number, because the mean of its divisors is an integer number (4050914).

Almost surely, 2^13888844 is an apocalyptic number.

It is an amenable number.

13888844 is a deficient number, since it is larger than the sum of its proper divisors (10416640).

13888844 is a wasteful number, since it uses less digits than its factorization.

13888844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472215 (or 3472213 counting only the distinct ones).

The product of its digits is 196608, while the sum is 44.

The square root of 13888844 is about 3726.7739400184. The cubic root of 13888844 is about 240.3746694204.

The spelling of 13888844 in words is "thirteen million, eight hundred eighty-eight thousand, eight hundred forty-four".