12238458 has 8 divisors (see below), whose sum is σ = 24476928. Its totient is φ = 4079484.

The previous prime is 12238439. The next prime is 12238477. The reversal of 12238458 is 85483221.

It is an interprime number because it is at equal distance from previous prime (12238439) and next prime (12238477).

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

12238458 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019866 + ... + 1019877.

It is an arithmetic number, because the mean of its divisors is an integer number (3059616).

Almost surely, 2^12238458 is an apocalyptic number.

12238458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12238458 is a wasteful number, since it uses less digits than its factorization.

12238458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039748.

The product of its digits is 15360, while the sum is 33.

The square root of 12238458 is about 3498.3507542841. The cubic root of 12238458 is about 230.4493923211.

The spelling of 12238458 in words is "twelve million, two hundred thirty-eight thousand, four hundred fifty-eight".