12238406 has 8 divisors (see below), whose sum is σ = 18990720. Its totient is φ = 5908168.

The previous prime is 12238403. The next prime is 12238417. The reversal of 12238406 is 60483221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12238403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105446 + ... + 105561.

It is an arithmetic number, because the mean of its divisors is an integer number (2373840).

Almost surely, 2^12238406 is an apocalyptic number.

12238406 is a deficient number, since it is larger than the sum of its proper divisors (6752314).

12238406 is a wasteful number, since it uses less digits than its factorization.

12238406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211038.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 12238406 is about 3498.3433222027. The cubic root of 12238406 is about 230.4490659351.

The spelling of 12238406 in words is "twelve million, two hundred thirty-eight thousand, four hundred six".