12624225 has 12 divisors (see below), whose sum is σ = 20872176. Its totient is φ = 6732880.

The previous prime is 12624221. The next prime is 12624233. The reversal of 12624225 is 52242621.

It is a happy number.

It is not a de Polignac number, because 12624225 - 2² = 12624221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12624195 and 12624204.

It is not an unprimeable number, because it can be changed into a prime (12624221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84087 + ... + 84236.

It is an arithmetic number, because the mean of its divisors is an integer number (1739348).

Almost surely, 2^12624225 is an apocalyptic number.

12624225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12624225 is a deficient number, since it is larger than the sum of its proper divisors (8247951).

12624225 is a wasteful number, since it uses less digits than its factorization.

12624225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168336 (or 168331 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 12624225 is about 3553.0585415948. The cubic root of 12624225 is about 232.8457106955.

Adding to 12624225 its reverse (52242621), we get a palindrome (64866846).

The spelling of 12624225 in words is "twelve million, six hundred twenty-four thousand, two hundred twenty-five".