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12244237 = 121710061
BaseRepresentation
bin101110101101…
…010100001101
3212001001221021
4232231110031
511113303422
61114234141
7206034325
oct56552415
925031837
1012244237
116a03305
124125951
1326c9215
1418aa285
15111cdc7
hexbad50d

12244237 has 4 divisors (see below), whose sum is σ = 12255516. Its totient is φ = 12232960.

The previous prime is 12244223. The next prime is 12244241. The reversal of 12244237 is 73244221.

It is a happy number.

12244237 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5541316 + 6702921 = 2354^2 + 2589^2 .

It is a cyclic number.

It is not a de Polignac number, because 12244237 - 27 = 12244109 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 (12247237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3814 + ... + 6247.

It is an arithmetic number, because the mean of its divisors is an integer number (3063879).

Almost surely, 212244237 is an apocalyptic number.

It is an amenable number.

12244237 is a deficient number, since it is larger than the sum of its proper divisors (11279).

12244237 is a wasteful number, since it uses less digits than its factorization.

12244237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11278.

The product of its digits is 2688, while the sum is 25.

The square root of 12244237 is about 3499.1766174345. The cubic root of 12244237 is about 230.4856593484.

Adding to 12244237 its reverse (73244221), we get a palindrome (85488458).

It can be divided in two parts, 122442 and 37, that multiplied together give a palindrome (4530354).

The spelling of 12244237 in words is "twelve million, two hundred forty-four thousand, two hundred thirty-seven".

Divisors: 1 1217 10061 12244237