12244135 has 4 divisors (see below), whose sum is σ = 14692968. Its totient is φ = 9795304.

The previous prime is 12244109. The next prime is 12244139. The reversal of 12244135 is 53144221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53144221 = 13 ⋅4088017.

It is a cyclic number.

It is not a de Polignac number, because 12244135 - 2¹⁹ = 11719847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244139) 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, 1224409 + ... + 1224418.

It is an arithmetic number, because the mean of its divisors is an integer number (3673242).

Almost surely, 2^12244135 is an apocalyptic number.

12244135 is a deficient number, since it is larger than the sum of its proper divisors (2448833).

12244135 is an equidigital number, since it uses as much as digits as its factorization.

12244135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448832.

The product of its digits is 960, while the sum is 22.

The square root of 12244135 is about 3499.1620425468. The cubic root of 12244135 is about 230.4850193303.

Adding to 12244135 its reverse (53144221), we get a palindrome (65388356).

The spelling of 12244135 in words is "twelve million, two hundred forty-four thousand, one hundred thirty-five".