13899212 has 12 divisors (see below), whose sum is σ = 24404016. Its totient is φ = 6926640.

The previous prime is 13899209. The next prime is 13899233. The reversal of 13899212 is 21299831.

13899212 is nontrivially palindromic in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4343 + ... + 6830.

It is an arithmetic number, because the mean of its divisors is an integer number (2033668).

Almost surely, 2^13899212 is an apocalyptic number.

It is an amenable number.

13899212 is a deficient number, since it is larger than the sum of its proper divisors (10504804).

13899212 is a wasteful number, since it uses less digits than its factorization.

13899212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11488 (or 11486 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 13899212 is about 3728.1646959328. The cubic root of 13899212 is about 240.4344676461.

It can be divided in two parts, 1389 and 9212, that added together give a palindrome (10601).

The spelling of 13899212 in words is "thirteen million, eight hundred ninety-nine thousand, two hundred twelve".