12667238 has 4 divisors (see below), whose sum is σ = 19000860. Its totient is φ = 6333618.

The previous prime is 12667223. The next prime is 12667253. The reversal of 12667238 is 83276621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12667223) and next prime (12667253).

It is a junction number, because it is equal to n+sod(n) for n = 12667198 and 12667207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3166808 + ... + 3166811.

It is an arithmetic number, because the mean of its divisors is an integer number (4750215).

Almost surely, 2^12667238 is an apocalyptic number.

12667238 is a deficient number, since it is larger than the sum of its proper divisors (6333622).

12667238 is an equidigital number, since it uses as much as digits as its factorization.

12667238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333621.

The product of its digits is 24192, while the sum is 35.

The square root of 12667238 is about 3559.1063485094. The cubic root of 12667238 is about 233.1098599612.

The spelling of 12667238 in words is "twelve million, six hundred sixty-seven thousand, two hundred thirty-eight".