12226599 has 32 divisors (see below), whose sum is σ = 22586880. Its totient is φ = 6350400.

The previous prime is 12226583. The next prime is 12226601. The reversal of 12226599 is 99562221.

It is a happy number.

It is not a de Polignac number, because 12226599 - 2⁴ = 12226583 is a prime.

It is a plaindrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 862 + ... + 5019.

It is an arithmetic number, because the mean of its divisors is an integer number (705840).

Almost surely, 2^12226599 is an apocalyptic number.

12226599 is a deficient number, since it is larger than the sum of its proper divisors (10360281).

12226599 is a wasteful number, since it uses less digits than its factorization.

12226599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908 (or 5902 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 12226599 is about 3496.6554019520. The cubic root of 12226599 is about 230.3749335252.

The spelling of 12226599 in words is "twelve million, two hundred twenty-six thousand, five hundred ninety-nine".