12837225 has 12 divisors (see below), whose sum is σ = 21224336. Its totient is φ = 6846480.

The previous prime is 12837203. The next prime is 12837229. The reversal of 12837225 is 52273821.

12837225 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12837225 - 2⁹ = 12836713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12837192 and 12837201.

It is not an unprimeable number, because it can be changed into a prime (12837229) 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, 85507 + ... + 85656.

Almost surely, 2^12837225 is an apocalyptic number.

12837225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12837225 is a deficient number, since it is larger than the sum of its proper divisors (8387111).

12837225 is a wasteful number, since it uses less digits than its factorization.

12837225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171176 (or 171171 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 12837225 is about 3582.9073390195. The cubic root of 12837225 is about 234.1479632539.

The spelling of 12837225 in words is "twelve million, eight hundred thirty-seven thousand, two hundred twenty-five".