12497144 has 64 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 5326720.

The previous prime is 12497141. The next prime is 12497161. The reversal of 12497144 is 44179421.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12497144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12497141) 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, 150527 + ... + 150609.

It is an arithmetic number, because the mean of its divisors is an integer number (425250).

Almost surely, 2^12497144 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 12497144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13608000).

12497144 is an abundant number, since it is smaller than the sum of its proper divisors (14718856).

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

12497144 is a wasteful number, since it uses less digits than its factorization.

12497144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 184 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 12497144 is about 3535.1299834660. The cubic root of 12497144 is about 232.0617651640.

The spelling of 12497144 in words is "twelve million, four hundred ninety-seven thousand, one hundred forty-four".