12239486 has 8 divisors (see below), whose sum is σ = 20982000. Its totient is φ = 5245488.

The previous prime is 12239453. The next prime is 12239509. The reversal of 12239486 is 68493221.

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

It is a congruent 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, 437111 + ... + 437138.

It is an arithmetic number, because the mean of its divisors is an integer number (2622750).

Almost surely, 2^12239486 is an apocalyptic number.

12239486 is a deficient number, since it is larger than the sum of its proper divisors (8742514).

12239486 is an equidigital number, since it uses as much as digits as its factorization.

12239486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874258.

The product of its digits is 20736, while the sum is 35.

The square root of 12239486 is about 3498.4976775753. The cubic root of 12239486 is about 230.4558445322.

The spelling of 12239486 in words is "twelve million, two hundred thirty-nine thousand, four hundred eighty-six".