13899600 has 360 divisors, whose sum is σ = 58767072. Its totient is φ = 3110400.

The previous prime is 13899593. The next prime is 13899601. The reversal of 13899600 is 699831.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13899601) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1069194 + ... + 1069206.

Almost surely, 2^13899600 is an apocalyptic number.

13899600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13899600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29383536).

13899600 is an abundant number, since it is smaller than the sum of its proper divisors (44867472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13899600 is a wasteful number, since it uses less digits than its factorization.

13899600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 13899600 is about 3728.2167318974. The cubic root of 13899600 is about 240.4367048882.

The spelling of 13899600 in words is "thirteen million, eight hundred ninety-nine thousand, six hundred".