13225275 has 72 divisors (see below), whose sum is σ = 28164864. Its totient is φ = 6026400.

The previous prime is 13225259. The next prime is 13225279. The reversal of 13225275 is 57252231.

13225275 is a `hidden beast` number, since 132 + 2 + 527 + 5 = 666.

It is not a de Polignac number, because 13225275 - 2⁴ = 13225259 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225279) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 42370 + ... + 42680.

Almost surely, 2^13225275 is an apocalyptic number.

13225275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13225275 is an abundant number, since it is smaller than the sum of its proper divisors (14939589).

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

13225275 is an equidigital number, since it uses as much as digits as its factorization.

13225275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 326 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 13225275 is about 3636.6571188387. The cubic root of 13225275 is about 236.4838953436.

The spelling of 13225275 in words is "thirteen million, two hundred twenty-five thousand, two hundred seventy-five".