12238445 has 8 divisors (see below), whose sum is σ = 15027936. Its totient is φ = 9562896.

The previous prime is 12238439. The next prime is 12238477. The reversal of 12238445 is 54483221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12238445 - 2¹⁸ = 11976301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28247 + ... + 28676.

It is an arithmetic number, because the mean of its divisors is an integer number (1878492).

Almost surely, 2^12238445 is an apocalyptic number.

It is an amenable number.

12238445 is a deficient number, since it is larger than the sum of its proper divisors (2789491).

12238445 is an equidigital number, since it uses as much as digits as its factorization.

12238445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56971.

The product of its digits is 7680, while the sum is 29.

The square root of 12238445 is about 3498.3488962652. The cubic root of 12238445 is about 230.4493107247.

The spelling of 12238445 in words is "twelve million, two hundred thirty-eight thousand, four hundred forty-five".