12249888 has 48 divisors (see below), whose sum is σ = 36751680. Its totient is φ = 3499776.

The previous prime is 12249847. The next prime is 12249907. The reversal of 12249888 is 88894221.

12249888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8443 + ... + 9786.

It is an arithmetic number, because the mean of its divisors is an integer number (765660).

Almost surely, 2^12249888 is an apocalyptic number.

It is an amenable number.

12249888 is an abundant number, since it is smaller than the sum of its proper divisors (24501792).

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

12249888 is a wasteful number, since it uses less digits than its factorization.

12249888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18249 (or 18241 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 12249888 is about 3499.9839999634. The cubic root of 12249888 is about 230.5211120581.

The spelling of 12249888 in words is "twelve million, two hundred forty-nine thousand, eight hundred eighty-eight".