13144250 has 96 divisors (see below), whose sum is σ = 30410640. Its totient is φ = 4233600.

The previous prime is 13144249. The next prime is 13144259. The reversal of 13144250 is 5244131.

13144250 = 223² + 224² + ... + 369².

It can be written as a sum of positive squares in 8 ways, for example, as 2181529 + 10962721 = 1477^2 + 3311^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144259) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355232 + ... + 355268.

Almost surely, 2^13144250 is an apocalyptic number.

13144250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 3625×3626.

13144250 is an abundant number, since it is smaller than the sum of its proper divisors (17266390).

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

13144250 is a wasteful number, since it uses less digits than its factorization.

13144250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 13144250 is about 3625.4999655220. The cubic root of 13144250 is about 235.9999640908. Note that the first 4 decimals are identical.

Adding to 13144250 its reverse (5244131), we get a palindrome (18388381).

The spelling of 13144250 in words is "thirteen million, one hundred forty-four thousand, two hundred fifty".