12404536 has 8 divisors (see below), whose sum is σ = 23258520. Its totient is φ = 6202264.

The previous prime is 12404531. The next prime is 12404537. The reversal of 12404536 is 63540421.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12404536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404531) 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 as a sum of consecutive naturals, namely, 775276 + ... + 775291.

It is an arithmetic number, because the mean of its divisors is an integer number (2907315).

Almost surely, 2^12404536 is an apocalyptic number.

It is an amenable number.

12404536 is a deficient number, since it is larger than the sum of its proper divisors (10853984).

12404536 is a wasteful number, since it uses less digits than its factorization.

12404536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550573 (or 1550569 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 12404536 is about 3522.0073821615. The cubic root of 12404536 is about 231.4871250655.

Adding to 12404536 its reverse (63540421), we get a palindrome (75944957).

It can be divided in two parts, 1240 and 4536, that added together give a square (5776 = 76²).

The spelling of 12404536 in words is "twelve million, four hundred four thousand, five hundred thirty-six".