13216125 has 32 divisors (see below), whose sum is σ = 23692032. Its totient is φ = 6504000.

The previous prime is 13216097. The next prime is 13216127. The reversal of 13216125 is 52161231.

It is not a de Polignac number, because 13216125 - 2⁷ = 13215997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13216127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3520 + ... + 6230.

It is an arithmetic number, because the mean of its divisors is an integer number (740376).

Almost surely, 2^13216125 is an apocalyptic number.

13216125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13216125 is a deficient number, since it is larger than the sum of its proper divisors (10475907).

13216125 is a wasteful number, since it uses less digits than its factorization.

13216125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742 (or 2732 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 13216125 is about 3635.3988777024. The cubic root of 13216125 is about 236.4293450764.

Adding to 13216125 its reverse (52161231), we get a palindrome (65377356).

The spelling of 13216125 in words is "thirteen million, two hundred sixteen thousand, one hundred twenty-five".