13729692 has 12 divisors (see below), whose sum is σ = 32035976. Its totient is φ = 4576560.

The previous prime is 13729663. The next prime is 13729699. The reversal of 13729692 is 29692731.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13729692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13729699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572059 + ... + 572082.

Almost surely, 2^13729692 is an apocalyptic number.

13729692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13729692 is an abundant number, since it is smaller than the sum of its proper divisors (18306284).

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

13729692 is a wasteful number, since it uses less digits than its factorization.

13729692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144148 (or 1144146 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 13729692 is about 3705.3599015480. The cubic root of 13729692 is about 239.4529903100.

The spelling of 13729692 in words is "thirteen million, seven hundred twenty-nine thousand, six hundred ninety-two".