12525223 has 2 divisors, whose sum is σ = 12525224. Its totient is φ = 12525222.

The previous prime is 12525217. The next prime is 12525239. The reversal of 12525223 is 32252521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12525223 is a prime.

It is a super-2 number, since 2×12525223² = 313762422399458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12525194 and 12525203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12225223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262611 + 6262612.

It is an arithmetic number, because the mean of its divisors is an integer number (6262612).

Almost surely, 2^12525223 is an apocalyptic number.

12525223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12525223 is an equidigital number, since it uses as much as digits as its factorization.

12525223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 22.

The square root of 12525223 is about 3539.0991791698. The cubic root of 12525223 is about 232.2354365303.

Adding to 12525223 its reverse (32252521), we get a palindrome (44777744).

The spelling of 12525223 in words is "twelve million, five hundred twenty-five thousand, two hundred twenty-three".