13929936 has 80 divisors (see below), whose sum is σ = 39086784. Its totient is φ = 4257792.

The previous prime is 13929913. The next prime is 13929961. The reversal of 13929936 is 63992931.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 34890 + ... + 35286.

Almost surely, 2^13929936 is an apocalyptic number.

13929936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13929936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19543392).

13929936 is an abundant number, since it is smaller than the sum of its proper divisors (25156848).

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

13929936 is a wasteful number, since it uses less digits than its factorization.

13929936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 462 counting only the distinct ones).

The product of its digits is 78732, while the sum is 42.

The square root of 13929936 is about 3732.2829474733. The cubic root of 13929936 is about 240.6114962006.

The spelling of 13929936 in words is "thirteen million, nine hundred twenty-nine thousand, nine hundred thirty-six".