12525291 has 12 divisors (see below), whose sum is σ = 18139680. Its totient is φ = 8328240.

The previous prime is 12525269. The next prime is 12525301. The reversal of 12525291 is 19252521.

It is not a de Polignac number, because 12525291 - 2¹¹ = 12523243 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12525211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2265 + ... + 5493.

It is an arithmetic number, because the mean of its divisors is an integer number (1511640).

Almost surely, 2^12525291 is an apocalyptic number.

12525291 is a deficient number, since it is larger than the sum of its proper divisors (5614389).

12525291 is a wasteful number, since it uses less digits than its factorization.

12525291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666 (or 3663 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 12525291 is about 3539.1087861212. The cubic root of 12525291 is about 232.2358568017.

The spelling of 12525291 in words is "twelve million, five hundred twenty-five thousand, two hundred ninety-one".