13225650 has 48 divisors (see below), whose sum is σ = 33700224. Its totient is φ = 3430080.

The previous prime is 13225631. The next prime is 13225699. The reversal of 13225650 is 5652231.

It is a self number, because there is not a number n which added to its sum of digits gives 13225650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4359 + ... + 6741.

It is an arithmetic number, because the mean of its divisors is an integer number (702088).

Almost surely, 2^13225650 is an apocalyptic number.

13225650 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 13225650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16850112).

13225650 is an abundant number, since it is smaller than the sum of its proper divisors (20474574).

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

13225650 is a wasteful number, since it uses less digits than its factorization.

13225650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 2430 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 13225650 is about 3636.7086768120. The cubic root of 13225650 is about 236.4861304734.

Adding to 13225650 its reverse (5652231), we get a palindrome (18877881).

The spelling of 13225650 in words is "thirteen million, two hundred twenty-five thousand, six hundred fifty".