12692238 has 24 divisors (see below), whose sum is σ = 27489528. Its totient is φ = 3904992.

The previous prime is 12692231. The next prime is 12692243. The reversal of 12692238 is 83229621.

It is a happy number.

It is a super-2 number, since 2×12692238² = 322185810897288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12692199 and 12692208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12692231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5245 + ... + 7272.

It is an arithmetic number, because the mean of its divisors is an integer number (1145397).

Almost surely, 2^12692238 is an apocalyptic number.

12692238 is an abundant number, since it is smaller than the sum of its proper divisors (14797290).

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

12692238 is a wasteful number, since it uses less digits than its factorization.

12692238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12548 (or 12535 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 12692238 is about 3562.6167349295. The cubic root of 12692238 is about 233.2631140177.

The spelling of 12692238 in words is "twelve million, six hundred ninety-two thousand, two hundred thirty-eight".