13669536 has 24 divisors (see below), whose sum is σ = 35882784. Its totient is φ = 4556480.

The previous prime is 13669529. The next prime is 13669553. The reversal of 13669536 is 63596631.

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

It is a junction number, because it is equal to n+sod(n) for n = 13669494 and 13669503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71100 + ... + 71291.

It is an arithmetic number, because the mean of its divisors is an integer number (1495116).

Almost surely, 2^13669536 is an apocalyptic number.

13669536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13669536 is an abundant number, since it is smaller than the sum of its proper divisors (22213248).

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

13669536 is a wasteful number, since it uses less digits than its factorization.

13669536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142404 (or 142396 counting only the distinct ones).

The product of its digits is 87480, while the sum is 39.

The square root of 13669536 is about 3697.2335603800. The cubic root of 13669536 is about 239.1027609666.

The spelling of 13669536 in words is "thirteen million, six hundred sixty-nine thousand, five hundred thirty-six".