12525229 has 4 divisors (see below), whose sum is σ = 12536860. Its totient is φ = 12513600.

The previous prime is 12525223. The next prime is 12525239. The reversal of 12525229 is 92252521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92252521 = 2971 ⋅31051.

It can be written as a sum of positive squares in 2 ways, for example, as 5904900 + 6620329 = 2430^2 + 2573^2 .

It is a cyclic number.

It is not a de Polignac number, because 12525229 - 2⁵ = 12525197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12525197 and 12525206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4014 + ... + 6415.

It is an arithmetic number, because the mean of its divisors is an integer number (3134215).

Almost surely, 2^12525229 is an apocalyptic number.

It is an amenable number.

12525229 is a deficient number, since it is larger than the sum of its proper divisors (11631).

12525229 is a wasteful number, since it uses less digits than its factorization.

12525229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11630.

The product of its digits is 3600, while the sum is 28.

The square root of 12525229 is about 3539.1000268430. The cubic root of 12525229 is about 232.2354736131.

The spelling of 12525229 in words is "twelve million, five hundred twenty-five thousand, two hundred twenty-nine".