12254009 has 4 divisors (see below), whose sum is σ = 12786816. Its totient is φ = 11721204.

The previous prime is 12253949. The next prime is 12254023. The reversal of 12254009 is 90045221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12254009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 532783 = 12254009 / (1 + 2 + 2 + 5 + 4 + 0 + 0 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12254089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266369 + ... + 266414.

It is an arithmetic number, because the mean of its divisors is an integer number (3196704).

Almost surely, 2^12254009 is an apocalyptic number.

It is an amenable number.

12254009 is a deficient number, since it is larger than the sum of its proper divisors (532807).

12254009 is an equidigital number, since it uses as much as digits as its factorization.

12254009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532806.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12254009 is about 3500.5726674360. The cubic root of 12254009 is about 230.5469591242.

The spelling of 12254009 in words is "twelve million, two hundred fifty-four thousand, nine".