12226135 has 8 divisors (see below), whose sum is σ = 14704416. Its totient is φ = 9758880.

The previous prime is 12226127. The next prime is 12226187. The reversal of 12226135 is 53162221.

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

It is not a de Polignac number, because 12226135 - 2³ = 12226127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76 + ... + 4945.

It is an arithmetic number, because the mean of its divisors is an integer number (1838052).

Almost surely, 2^12226135 is an apocalyptic number.

12226135 is a deficient number, since it is larger than the sum of its proper divisors (2478281).

12226135 is an equidigital number, since it uses as much as digits as its factorization.

12226135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513.

The product of its digits is 720, while the sum is 22.

The square root of 12226135 is about 3496.5890522050. The cubic root of 12226135 is about 230.3720192418.

Adding to 12226135 its reverse (53162221), we get a palindrome (65388356).

The spelling of 12226135 in words is "twelve million, two hundred twenty-six thousand, one hundred thirty-five".