13250736 has 80 divisors (see below), whose sum is σ = 39109600. Its totient is φ = 4292352.

The previous prime is 13250723. The next prime is 13250753. The reversal of 13250736 is 63705231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15570 + ... + 16398.

It is an arithmetic number, because the mean of its divisors is an integer number (488870).

Almost surely, 2^13250736 is an apocalyptic number.

13250736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13250736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19554800).

13250736 is an abundant number, since it is smaller than the sum of its proper divisors (25858864).

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

13250736 is a wasteful number, since it uses less digits than its factorization.

13250736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 13250736 is about 3640.1560406114. The cubic root of 13250736 is about 236.6355558744.

Adding to 13250736 its reverse (63705231), we get a palindrome (76955967).

The spelling of 13250736 in words is "thirteen million, two hundred fifty thousand, seven hundred thirty-six".