13537836 has 36 divisors (see below), whose sum is σ = 36854272. Its totient is φ = 4165344.

The previous prime is 13537829. The next prime is 13537841. The reversal of 13537836 is 63873531.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13537836.

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 11 ways as a sum of consecutive naturals, for example, 13996 + ... + 14931.

Almost surely, 2^13537836 is an apocalyptic number.

It is an amenable number.

13537836 is an abundant number, since it is smaller than the sum of its proper divisors (23316436).

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

13537836 is a wasteful number, since it uses less digits than its factorization.

13537836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28950 (or 28945 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 13537836 is about 3679.3798390490. The cubic root of 13537836 is about 238.3323981033.

The spelling of 13537836 in words is "thirteen million, five hundred thirty-seven thousand, eight hundred thirty-six".