12052522 has 4 divisors (see below), whose sum is σ = 18078786. Its totient is φ = 6026260.

The previous prime is 12052489. The next prime is 12052543. The reversal of 12052522 is 22525021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22525021 = 419 ⋅53759.

It can be written as a sum of positive squares in only one way, i.e., 11703241 + 349281 = 3421^2 + 591^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12052522.

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, 3013129 + ... + 3013132.

Almost surely, 2^12052522 is an apocalyptic number.

12052522 is a deficient number, since it is larger than the sum of its proper divisors (6026264).

12052522 is an equidigital number, since it uses as much as digits as its factorization.

12052522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026263.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 12052522 is about 3471.6742358695. The cubic root of 12052522 is about 229.2763772799.

Adding to 12052522 its reverse (22525021), we get a palindrome (34577543).

The spelling of 12052522 in words is "twelve million, fifty-two thousand, five hundred twenty-two".