12244749 has 16 divisors (see below), whose sum is σ = 18149184. Its totient is φ = 7280000.

The previous prime is 12244747. The next prime is 12244753. The reversal of 12244749 is 94744221.

It is a cyclic number.

It is not a de Polignac number, because 12244749 - 2¹ = 12244747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1752 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (1134324).

Almost surely, 2^12244749 is an apocalyptic number.

It is an amenable number.

12244749 is a deficient number, since it is larger than the sum of its proper divisors (5904435).

12244749 is a wasteful number, since it uses less digits than its factorization.

12244749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7068.

The product of its digits is 16128, while the sum is 33.

The square root of 12244749 is about 3499.2497767379. The cubic root of 12244749 is about 230.4888719350.

The spelling of 12244749 in words is "twelve million, two hundred forty-four thousand, seven hundred forty-nine".