12936213 has 16 divisors (see below), whose sum is σ = 19243840. Its totient is φ = 8588592.

The previous prime is 12936191. The next prime is 12936221. The reversal of 12936213 is 31263921.

It is not a de Polignac number, because 12936213 - 2⁶ = 12936149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12936223) 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, 6795 + ... + 8487.

It is an arithmetic number, because the mean of its divisors is an integer number (1202740).

Almost surely, 2^12936213 is an apocalyptic number.

It is an amenable number.

12936213 is a deficient number, since it is larger than the sum of its proper divisors (6307627).

12936213 is a wasteful number, since it uses less digits than its factorization.

12936213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1979 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 12936213 is about 3596.6947326678. The cubic root of 12936213 is about 234.7482621925.

The spelling of 12936213 in words is "twelve million, nine hundred thirty-six thousand, two hundred thirteen".