12549366 has 24 divisors (see below), whose sum is σ = 28790424. Its totient is φ = 3936960.

The previous prime is 12549343. The next prime is 12549371. The reversal of 12549366 is 66394521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12549366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20200 + ... + 20811.

It is an arithmetic number, because the mean of its divisors is an integer number (1199601).

Almost surely, 2^12549366 is an apocalyptic number.

12549366 is an abundant number, since it is smaller than the sum of its proper divisors (16241058).

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

12549366 is a wasteful number, since it uses less digits than its factorization.

12549366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41036 (or 41033 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 12549366 is about 3542.5084332998. The cubic root of 12549366 is about 232.3845559377.

The spelling of 12549366 in words is "twelve million, five hundred forty-nine thousand, three hundred sixty-six".