12266500 has 24 divisors (see below), whose sum is σ = 26791128. Its totient is φ = 4906400.

The previous prime is 12266497. The next prime is 12266509. The reversal of 12266500 is 566221.

It can be written as a sum of positive squares in 4 ways, for example, as 3218436 + 9048064 = 1794^2 + 3008^2 .

It is not an unprimeable number, because it can be changed into a prime (12266509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11767 + ... + 12766.

It is an arithmetic number, because the mean of its divisors is an integer number (1116297).

Almost surely, 2^12266500 is an apocalyptic number.

12266500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12266500 is an abundant number, since it is smaller than the sum of its proper divisors (14524628).

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

12266500 is a wasteful number, since it uses less digits than its factorization.

12266500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24552 (or 24540 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12266500 is about 3502.3563496595. The cubic root of 12266500 is about 230.6252677587.

The spelling of 12266500 in words is "twelve million, two hundred sixty-six thousand, five hundred".