13884399 has 16 divisors (see below), whose sum is σ = 21049600. Its totient is φ = 9040248.

The previous prime is 13884397. The next prime is 13884407. The reversal of 13884399 is 99348831.

It is not a de Polignac number, because 13884399 - 2¹ = 13884397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13884397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4819 + ... + 7140.

It is an arithmetic number, because the mean of its divisors is an integer number (1315600).

Almost surely, 2^13884399 is an apocalyptic number.

13884399 is a deficient number, since it is larger than the sum of its proper divisors (7165201).

13884399 is a wasteful number, since it uses less digits than its factorization.

13884399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011 (or 12005 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 13884399 is about 3726.1775320025. The cubic root of 13884399 is about 240.3490234316.

The spelling of 13884399 in words is "thirteen million, eight hundred eighty-four thousand, three hundred ninety-nine".