12227499 has 6 divisors (see below), whose sum is σ = 17661956. Its totient is φ = 8151660.

The previous prime is 12227489. The next prime is 12227521. The reversal of 12227499 is 99472221.

It is not a de Polignac number, because 12227499 - 2⁴ = 12227483 is a prime.

It is a Duffinian number.

It is a plaindrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (12227419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 679297 + ... + 679314.

Almost surely, 2^12227499 is an apocalyptic number.

12227499 is a deficient number, since it is larger than the sum of its proper divisors (5434457).

12227499 is a wasteful number, since it uses less digits than its factorization.

12227499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358617 (or 1358614 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 12227499 is about 3496.7840939927. The cubic root of 12227499 is about 230.3805860197.

The spelling of 12227499 in words is "twelve million, two hundred twenty-seven thousand, four hundred ninety-nine".