12206136 has 32 divisors (see below), whose sum is σ = 32311440. Its totient is φ = 3829248.

The previous prime is 12206101. The next prime is 12206143. The reversal of 12206136 is 63160221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14551 + ... + 15366.

Almost surely, 2^12206136 is an apocalyptic number.

It is an amenable number.

12206136 is an abundant number, since it is smaller than the sum of its proper divisors (20105304).

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

12206136 is a wasteful number, since it uses less digits than its factorization.

12206136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29943 (or 29939 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12206136 is about 3493.7280947435. The cubic root of 12206136 is about 230.2463397202.

Adding to 12206136 its reverse (63160221), we get a palindrome (75366357).

The spelling of 12206136 in words is "twelve million, two hundred six thousand, one hundred thirty-six".