13225215 has 8 divisors (see below), whose sum is σ = 21160368. Its totient is φ = 7053440.

The previous prime is 13225213. The next prime is 13225217. The reversal of 13225215 is 51252231.

It is an interprime number because it is at equal distance from previous prime (13225213) and next prime (13225217).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13225215 - 2¹ = 13225213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13225191 and 13225200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440826 + ... + 440855.

It is an arithmetic number, because the mean of its divisors is an integer number (2645046).

Almost surely, 2^13225215 is an apocalyptic number.

13225215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13225215 is a deficient number, since it is larger than the sum of its proper divisors (7935153).

13225215 is an equidigital number, since it uses as much as digits as its factorization.

13225215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881689.

The product of its digits is 600, while the sum is 21.

The square root of 13225215 is about 3636.6488694951. The cubic root of 13225215 is about 236.4835377188.

Adding to 13225215 its reverse (51252231), we get a palindrome (64477446).

The spelling of 13225215 in words is "thirteen million, two hundred twenty-five thousand, two hundred fifteen".