13445250 has 128 divisors (see below), whose sum is σ = 41513472. Its totient is φ = 2822400.

The previous prime is 13445239. The next prime is 13445251. The reversal of 13445250 is 5254431.

It is a self number, because there is not a number n which added to its sum of digits gives 13445250.

It is not an unprimeable number, because it can be changed into a prime (13445251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68152 + ... + 68348.

It is an arithmetic number, because the mean of its divisors is an integer number (324324).

Almost surely, 2^13445250 is an apocalyptic number.

13445250 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 13445250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20756736).

13445250 is an abundant number, since it is smaller than the sum of its proper divisors (28068222).

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

13445250 is a wasteful number, since it uses less digits than its factorization.

13445250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 13445250 is about 3666.7765135061. The cubic root of 13445250 is about 237.7878320073.

Adding to 13445250 its reverse (5254431), we get a palindrome (18699681).

It can be divided in two parts, 13445 and 250, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 13445250 in words is "thirteen million, four hundred forty-five thousand, two hundred fifty".