13990032 has 60 divisors (see below), whose sum is σ = 44749120. Its totient is φ = 3996864.

The previous prime is 13990013. The next prime is 13990043. The reversal of 13990032 is 23009931.

It is a super-2 number, since 2×13990032² = 391441990722048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13989978 and 13990005.

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 11 ways as a sum of consecutive naturals, for example, 5932 + ... + 7947.

Almost surely, 2^13990032 is an apocalyptic number.

13990032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13990032 is an abundant number, since it is smaller than the sum of its proper divisors (30759088).

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

13990032 is a wasteful number, since it uses less digits than its factorization.

13990032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13900 (or 13891 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 13990032 is about 3740.3251195585. The cubic root of 13990032 is about 240.9570121268.

Adding to 13990032 its reverse (23009931), we get a palindrome (36999963).

The spelling of 13990032 in words is "thirteen million, nine hundred ninety thousand, thirty-two".