12558225 has 12 divisors (see below), whose sum is σ = 20763056. Its totient is φ = 6697680.

The previous prime is 12558211. The next prime is 12558229. The reversal of 12558225 is 52285521.

It is not a de Polignac number, because 12558225 - 2⁸ = 12557969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12558192 and 12558201.

It is not an unprimeable number, because it can be changed into a prime (12558229) 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, 83647 + ... + 83796.

Almost surely, 2^12558225 is an apocalyptic number.

12558225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12558225 is a deficient number, since it is larger than the sum of its proper divisors (8204831).

12558225 is a wasteful number, since it uses less digits than its factorization.

12558225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167456 (or 167451 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

The square root of 12558225 is about 3543.7585978732. The cubic root of 12558225 is about 232.4392256461.

The spelling of 12558225 in words is "twelve million, five hundred fifty-eight thousand, two hundred twenty-five".