13413225 has 48 divisors (see below), whose sum is σ = 26248320. Its totient is φ = 5913600.

The previous prime is 13413223. The next prime is 13413241. The reversal of 13413225 is 52231431.

It is not a de Polignac number, because 13413225 - 2¹ = 13413223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13413223) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 14785 + ... + 15665.

It is an arithmetic number, because the mean of its divisors is an integer number (546840).

Almost surely, 2^13413225 is an apocalyptic number.

13413225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13413225 is a deficient number, since it is larger than the sum of its proper divisors (12835095).

13413225 is a wasteful number, since it uses less digits than its factorization.

13413225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 925 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 13413225 is about 3662.4069954062. The cubic root of 13413225 is about 237.5988877217.

Adding to 13413225 its reverse (52231431), we get a palindrome (65644656).

The spelling of 13413225 in words is "thirteen million, four hundred thirteen thousand, two hundred twenty-five".