13785612 has 24 divisors (see below), whose sum is σ = 32609136. Its totient is φ = 4531968.

The previous prime is 13785601. The next prime is 13785613. The reversal of 13785612 is 21658731.

It is not an unprimeable number, because it can be changed into a prime (13785613) 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, 6993 + ... + 8744.

It is an arithmetic number, because the mean of its divisors is an integer number (1358714).

Almost surely, 2^13785612 is an apocalyptic number.

13785612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13785612 is an abundant number, since it is smaller than the sum of its proper divisors (18823524).

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

13785612 is a wasteful number, since it uses less digits than its factorization.

13785612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15817 (or 15815 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 13785612 is about 3712.8980594678. The cubic root of 13785612 is about 239.7776412717. Note that the first 3 decimals are identical.

The spelling of 13785612 in words is "thirteen million, seven hundred eighty-five thousand, six hundred twelve".