12254536 has 32 divisors (see below), whose sum is σ = 26712000. Its totient is φ = 5161536.

The previous prime is 12254521. The next prime is 12254537. The reversal of 12254536 is 63545221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (12254537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450 + ... + 5158.

It is an arithmetic number, because the mean of its divisors is an integer number (834750).

Almost surely, 2^12254536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12254536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13356000).

12254536 is an abundant number, since it is smaller than the sum of its proper divisors (14457464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12254536 is a wasteful number, since it uses less digits than its factorization.

12254536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781 (or 3777 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 12254536 is about 3500.6479400248. The cubic root of 12254536 is about 230.5502640700.

Adding to 12254536 its reverse (63545221), we get a palindrome (75799757).

The spelling of 12254536 in words is "twelve million, two hundred fifty-four thousand, five hundred thirty-six".