13899832 has 8 divisors (see below), whose sum is σ = 26062200. Its totient is φ = 6949912.

The previous prime is 13899803. The next prime is 13899839. The reversal of 13899832 is 23899831.

It is a happy number.

13899832 is nontrivially palindromic in base 12.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13899839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 868732 + ... + 868747.

It is an arithmetic number, because the mean of its divisors is an integer number (3257775).

Almost surely, 2^13899832 is an apocalyptic number.

It is an amenable number.

13899832 is a deficient number, since it is larger than the sum of its proper divisors (12162368).

13899832 is a wasteful number, since it uses less digits than its factorization.

13899832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737485 (or 1737481 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 13899832 is about 3728.2478458386. The cubic root of 13899832 is about 240.4380426007.

Subtracting 13899832 from its reverse (23899831), we obtain a palindrome (9999999).

The spelling of 13899832 in words is "thirteen million, eight hundred ninety-nine thousand, eight hundred thirty-two".