12618436 has 12 divisors (see below), whose sum is σ = 22596112. Its totient is φ = 6162408.

The previous prime is 12618377. The next prime is 12618449. The reversal of 12618436 is 63481621.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12618398 and 12618407.

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, 36510 + ... + 36853.

Almost surely, 2^12618436 is an apocalyptic number.

It is an amenable number.

12618436 is a deficient number, since it is larger than the sum of its proper divisors (9977676).

12618436 is a wasteful number, since it uses less digits than its factorization.

12618436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73410 (or 73408 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 12618436 is about 3552.2437979396. The cubic root of 12618436 is about 232.8101137932.

The spelling of 12618436 in words is "twelve million, six hundred eighteen thousand, four hundred thirty-six".