13689492 has 24 divisors (see below), whose sum is σ = 32009376. Its totient is φ = 4553568.

The previous prime is 13689461. The next prime is 13689499. The reversal of 13689492 is 29498631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13689499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6963 + ... + 8709.

It is an arithmetic number, because the mean of its divisors is an integer number (1333724).

Almost surely, 2^13689492 is an apocalyptic number.

13689492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13689492 is an abundant number, since it is smaller than the sum of its proper divisors (18319884).

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

13689492 is a wasteful number, since it uses less digits than its factorization.

13689492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407 (or 2405 counting only the distinct ones).

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

The square root of 13689492 is about 3699.9313507145. The cubic root of 13689492 is about 239.2190588573.

The spelling of 13689492 in words is "thirteen million, six hundred eighty-nine thousand, four hundred ninety-two".