13929684 has 12 divisors (see below), whose sum is σ = 32502624. Its totient is φ = 4643224.

The previous prime is 13929677. The next prime is 13929691. The reversal of 13929684 is 48692931.

It is an interprime number because it is at equal distance from previous prime (13929677) and next prime (13929691).

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 580392 + ... + 580415.

It is an arithmetic number, because the mean of its divisors is an integer number (2708552).

Almost surely, 2^13929684 is an apocalyptic number.

It is an amenable number.

13929684 is an abundant number, since it is smaller than the sum of its proper divisors (18572940).

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

13929684 is a wasteful number, since it uses less digits than its factorization.

13929684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160814 (or 1160812 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 13929684 is about 3732.2491878223. The cubic root of 13929684 is about 240.6100452616.

The spelling of 13929684 in words is "thirteen million, nine hundred twenty-nine thousand, six hundred eighty-four".