12243534 has 32 divisors (see below), whose sum is σ = 25095840. Its totient is φ = 3981312.

The previous prime is 12243457. The next prime is 12243541. The reversal of 12243534 is 43534221.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 63342 + ... + 63534.

It is an arithmetic number, because the mean of its divisors is an integer number (784245).

Almost surely, 2^12243534 is an apocalyptic number.

12243534 is an abundant number, since it is smaller than the sum of its proper divisors (12852306).

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

12243534 is a wasteful number, since it uses less digits than its factorization.

12243534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its digits is 2880, while the sum is 24.

The square root of 12243534 is about 3499.0761637895. The cubic root of 12243534 is about 230.4812481706.

Adding to 12243534 its reverse (43534221), we get a palindrome (55777755).

The spelling of 12243534 in words is "twelve million, two hundred forty-three thousand, five hundred thirty-four".