12533685 has 16 divisors (see below), whose sum is σ = 20139840. Its totient is φ = 6656000.

The previous prime is 12533681. The next prime is 12533693. The reversal of 12533685 is 58633521.

It is not a de Polignac number, because 12533685 - 2² = 12533681 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2101 + ... + 5429.

It is an arithmetic number, because the mean of its divisors is an integer number (1258740).

Almost surely, 2^12533685 is an apocalyptic number.

12533685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12533685 is a deficient number, since it is larger than the sum of its proper divisors (7606155).

12533685 is a wasteful number, since it uses less digits than its factorization.

12533685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588.

The product of its digits is 21600, while the sum is 33.

The square root of 12533685 is about 3540.2944792771. The cubic root of 12533685 is about 232.2877239260.

The spelling of 12533685 in words is "twelve million, five hundred thirty-three thousand, six hundred eighty-five".