13236450 has 48 divisors (see below), whose sum is σ = 33271680. Its totient is φ = 3481920.

The previous prime is 13236439. The next prime is 13236463. The reversal of 13236450 is 5463231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13236450.

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, 11292 + ... + 12408.

It is an arithmetic number, because the mean of its divisors is an integer number (693160).

Almost surely, 2^13236450 is an apocalyptic number.

13236450 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 13236450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16635840).

13236450 is an abundant number, since it is smaller than the sum of its proper divisors (20035230).

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

13236450 is a wasteful number, since it uses less digits than its factorization.

13236450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 13236450 is about 3638.1932329111. The cubic root of 13236450 is about 236.5504840923.

Adding to 13236450 its reverse (5463231), we get a palindrome (18699681).

The spelling of 13236450 in words is "thirteen million, two hundred thirty-six thousand, four hundred fifty".