12532258 has 4 divisors (see below), whose sum is σ = 18798390. Its totient is φ = 6266128.

The previous prime is 12532237. The next prime is 12532271. The reversal of 12532258 is 85223521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85223521 = 97 ⋅878593.

It can be written as a sum of positive squares in only one way, i.e., 6901129 + 5631129 = 2627^2 + 2373^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3133063 + ... + 3133066.

Almost surely, 2^12532258 is an apocalyptic number.

12532258 is a deficient number, since it is larger than the sum of its proper divisors (6266132).

12532258 is an equidigital number, since it uses as much as digits as its factorization.

12532258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266131.

The product of its digits is 4800, while the sum is 28.

The square root of 12532258 is about 3540.0929366332. The cubic root of 12532258 is about 232.2789080254.

Adding to 12532258 its reverse (85223521), we get a palindrome (97755779).

The spelling of 12532258 in words is "twelve million, five hundred thirty-two thousand, two hundred fifty-eight".