13899256 has 16 divisors (see below), whose sum is σ = 29784240. Its totient is φ = 5956800.

The previous prime is 13899247. The next prime is 13899257. The reversal of 13899256 is 65299831.

It is a happy number.

13899256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×13899256³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13899257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124045 + ... + 124156.

It is an arithmetic number, because the mean of its divisors is an integer number (1861515).

Almost surely, 2^13899256 is an apocalyptic number.

It is an amenable number.

13899256 is an abundant number, since it is smaller than the sum of its proper divisors (15884984).

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

13899256 is a wasteful number, since it uses less digits than its factorization.

13899256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248214 (or 248210 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 13899256 is about 3728.1705969550. The cubic root of 13899256 is about 240.4347213561.

The spelling of 13899256 in words is "thirteen million, eight hundred ninety-nine thousand, two hundred fifty-six".