12106238 has 8 divisors (see below), whose sum is σ = 18219432. Its totient is φ = 6033096.

The previous prime is 12106231. The next prime is 12106271. The reversal of 12106238 is 83260121.

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 (12106231) 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, 9245 + ... + 10472.

It is an arithmetic number, because the mean of its divisors is an integer number (2277429).

Almost surely, 2^12106238 is an apocalyptic number.

12106238 is a deficient number, since it is larger than the sum of its proper divisors (6113194).

12106238 is a wasteful number, since it uses less digits than its factorization.

12106238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20026.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12106238 is about 3479.4019601075. The cubic root of 12106238 is about 229.6164875233.

Adding to 12106238 its reverse (83260121), we get a palindrome (95366359).

The spelling of 12106238 in words is "twelve million, one hundred six thousand, two hundred thirty-eight".