13423225 has 6 divisors (see below), whose sum is σ = 16644830. Its totient is φ = 10738560.

The previous prime is 13423211. The next prime is 13423231. The reversal of 13423225 is 52232431.

It can be written as a sum of positive squares in 3 ways, for example, as 898704 + 12524521 = 948^2 + 3539^2 .

It is not a de Polignac number, because 13423225 - 2⁷ = 13423097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13423196 and 13423205.

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 5 ways as a sum of consecutive naturals, for example, 268440 + ... + 268489.

Almost surely, 2^13423225 is an apocalyptic number.

It is an amenable number.

13423225 is a deficient number, since it is larger than the sum of its proper divisors (3221605).

13423225 is an equidigital number, since it uses as much as digits as its factorization.

13423225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536939 (or 536934 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 13423225 is about 3663.7719634279. The cubic root of 13423225 is about 237.6579189803.

Adding to 13423225 its reverse (52232431), we get a palindrome (65655656).

The spelling of 13423225 in words is "thirteen million, four hundred twenty-three thousand, two hundred twenty-five".