13899276 has 30 divisors (see below), whose sum is σ = 36336300. Its totient is φ = 4632984.

The previous prime is 13899271. The next prime is 13899283. The reversal of 13899276 is 67299831.

It is not an unprimeable number, because it can be changed into a prime (13899271) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21126 + ... + 21773.

It is an arithmetic number, because the mean of its divisors is an integer number (1211210).

Almost surely, 2^13899276 is an apocalyptic number.

It is an amenable number.

13899276 is an abundant number, since it is smaller than the sum of its proper divisors (22437024).

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

13899276 is a wasteful number, since it uses less digits than its factorization.

13899276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42915 (or 42904 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 13899276 is about 3728.1732792348. The cubic root of 13899276 is about 240.4348366786.

The spelling of 13899276 in words is "thirteen million, eight hundred ninety-nine thousand, two hundred seventy-six".