13225207 has 4 divisors (see below), whose sum is σ = 13800240. Its totient is φ = 12650176.

The previous prime is 13225193. The next prime is 13225213. The reversal of 13225207 is 70252231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13225207 is a prime.

It is a super-2 number, since 2×13225207² = 349812200385698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287482 + ... + 287527.

It is an arithmetic number, because the mean of its divisors is an integer number (3450060).

Almost surely, 2^13225207 is an apocalyptic number.

13225207 is a deficient number, since it is larger than the sum of its proper divisors (575033).

13225207 is an equidigital number, since it uses as much as digits as its factorization.

13225207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575032.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 13225207 is about 3636.6477695812. The cubic root of 13225207 is about 236.4834900355.

Adding to 13225207 its reverse (70252231), we get a palindrome (83477438).

The spelling of 13225207 in words is "thirteen million, two hundred twenty-five thousand, two hundred seven".