13996869 has 8 divisors (see below), whose sum is σ = 18925632. Its totient is φ = 9199680.

The previous prime is 13996861. The next prime is 13996907. The reversal of 13996869 is 96869931.

13996869 is digitally balanced in base 2, 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 not a de Polignac number, because 13996869 - 2³ = 13996861 is a prime.

It is a super-2 number, since 2×13996869² = 391824683606322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13996861) 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, 32644 + ... + 33069.

It is an arithmetic number, because the mean of its divisors is an integer number (2365704).

Almost surely, 2^13996869 is an apocalyptic number.

It is an amenable number.

13996869 is a deficient number, since it is larger than the sum of its proper divisors (4928763).

13996869 is an equidigital number, since it uses as much as digits as its factorization.

13996869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65787.

The product of its digits is 629856, while the sum is 51.

The square root of 13996869 is about 3741.2389659042. The cubic root of 13996869 is about 240.9962580412.

The spelling of 13996869 in words is "thirteen million, nine hundred ninety-six thousand, eight hundred sixty-nine".