13689696 has 24 divisors (see below), whose sum is σ = 35935704. Its totient is φ = 4563200.

The previous prime is 13689691. The next prime is 13689701. The reversal of 13689696 is 69698631.

It is an interprime number because it is at equal distance from previous prime (13689691) and next prime (13689701).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13689691) 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, 71205 + ... + 71396.

It is an arithmetic number, because the mean of its divisors is an integer number (1497321).

Almost surely, 2^13689696 is an apocalyptic number.

13689696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13689696 is an abundant number, since it is smaller than the sum of its proper divisors (22246008).

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

13689696 is a wasteful number, since it uses less digits than its factorization.

13689696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142614 (or 142606 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 13689696 is about 3699.9589186909. The cubic root of 13689696 is about 239.2202471275.

The spelling of 13689696 in words is "thirteen million, six hundred eighty-nine thousand, six hundred ninety-six".