13245738 has 32 divisors (see below), whose sum is σ = 29211840. Its totient is φ = 3970560.

The previous prime is 13245731. The next prime is 13245809. The reversal of 13245738 is 83754231.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 13245699 and 13245708.

It is not an unprimeable number, because it can be changed into a prime (13245731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5368 + ... + 7436.

It is an arithmetic number, because the mean of its divisors is an integer number (912870).

Almost surely, 2^13245738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13245738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14605920).

13245738 is an abundant number, since it is smaller than the sum of its proper divisors (15966102).

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

13245738 is a wasteful number, since it uses less digits than its factorization.

13245738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182.

The product of its digits is 20160, while the sum is 33.

The square root of 13245738 is about 3639.4694668317. The cubic root of 13245738 is about 236.6058002130.

Adding to 13245738 its reverse (83754231), we get a palindrome (96999969).

The spelling of 13245738 in words is "thirteen million, two hundred forty-five thousand, seven hundred thirty-eight".