13880289 has 8 divisors (see below), whose sum is σ = 18571392. Its totient is φ = 9221360.

The previous prime is 13880261. The next prime is 13880327. The reversal of 13880289 is 98208831.

13880289 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13880289 - 2⁵ = 13880257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13881289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7017 + ... + 8774.

It is an arithmetic number, because the mean of its divisors is an integer number (2321424).

Almost surely, 2^13880289 is an apocalyptic number.

It is an amenable number.

13880289 is a deficient number, since it is larger than the sum of its proper divisors (4691103).

13880289 is a wasteful number, since it uses less digits than its factorization.

13880289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16087.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 13880289 is about 3725.6259876697. The cubic root of 13880289 is about 240.3253053969.

The spelling of 13880289 in words is "thirteen million, eight hundred eighty thousand, two hundred eighty-nine".