13154225 has 12 divisors (see below), whose sum is σ = 18641664. Its totient is φ = 9019920.

The previous prime is 13154201. The next prime is 13154231. The reversal of 13154225 is 52245131.

It is not a de Polignac number, because 13154225 - 2⁶ = 13154161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13154225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37409 + ... + 37758.

It is an arithmetic number, because the mean of its divisors is an integer number (1553472).

Almost surely, 2^13154225 is an apocalyptic number.

It is an amenable number.

13154225 is a deficient number, since it is larger than the sum of its proper divisors (5487439).

13154225 is an equidigital number, since it uses as much as digits as its factorization.

13154225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75184 (or 75179 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 13154225 is about 3626.8753769602. The cubic root of 13154225 is about 236.0596480944.

Adding to 13154225 its reverse (52245131), we get a palindrome (65399356).

The spelling of 13154225 in words is "thirteen million, one hundred fifty-four thousand, two hundred twenty-five".