12449736 has 96 divisors (see below), whose sum is σ = 37215360. Its totient is φ = 3735936.

The previous prime is 12449719. The next prime is 12449737. The reversal of 12449736 is 63794421.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12449736.

It is not an unprimeable number, because it can be changed into a prime (12449737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43851 + ... + 44133.

It is an arithmetic number, because the mean of its divisors is an integer number (387660).

Almost surely, 2^12449736 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 12449736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18607680).

12449736 is an abundant number, since it is smaller than the sum of its proper divisors (24765624).

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

12449736 is a wasteful number, since it uses less digits than its factorization.

12449736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 348 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 12449736 is about 3528.4183425439. The cubic root of 12449736 is about 231.7679506978.

The spelling of 12449736 in words is "twelve million, four hundred forty-nine thousand, seven hundred thirty-six".