12249150 has 48 divisors (see below), whose sum is σ = 30664704. Its totient is φ = 3235680.

The previous prime is 12249143. The next prime is 12249151. The reversal of 12249150 is 5194221.

Added to its reverse (5194221) it gives a triangular number (17443371 = T₅₉₀₆).

It is a self number, because there is not a number n which added to its sum of digits gives 12249150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12249151) 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, 18729 + ... + 19371.

It is an arithmetic number, because the mean of its divisors is an integer number (638848).

Almost surely, 2^12249150 is an apocalyptic number.

12249150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12249150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15332352).

12249150 is an abundant number, since it is smaller than the sum of its proper divisors (18415554).

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

12249150 is a wasteful number, since it uses less digits than its factorization.

12249150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 12249150 is about 3499.8785693221. The cubic root of 12249150 is about 230.5164826825.

Adding to 12249150 its reverse (5194221), we get a triangular number (17443371 = T₅₉₀₆).

The spelling of 12249150 in words is "twelve million, two hundred forty-nine thousand, one hundred fifty".