13216750 has 32 divisors (see below), whose sum is σ = 25608960. Its totient is φ = 5101600.

The previous prime is 13216741. The next prime is 13216751. The reversal of 13216750 is 5761231.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13216751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6339 + ... + 8161.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 2^13216750 is an apocalyptic number.

13216750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13216750 is a deficient number, since it is larger than the sum of its proper divisors (12392210).

13216750 is a wasteful number, since it uses less digits than its factorization.

13216750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1859 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 13216750 is about 3635.4848369922. The cubic root of 13216750 is about 236.4330719886.

Adding to 13216750 its reverse (5761231), we get a palindrome (18977981).

The spelling of 13216750 in words is "thirteen million, two hundred sixteen thousand, seven hundred fifty".