12522011 has 2 divisors, whose sum is σ = 12522012. Its totient is φ = 12522010.

The previous prime is 12521989. The next prime is 12522017. The reversal of 12522011 is 11022521.

It is a strong prime.

It is an emirp because it is prime and its reverse (11022521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12522011 - 2¹⁰ = 12520987 is a prime.

It is not a weakly prime, because it can be changed into another prime (12522017) by changing a digit.

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, 6261005 + 6261006.

It is an arithmetic number, because the mean of its divisors is an integer number (6261006).

Almost surely, 2^12522011 is an apocalyptic number.

12522011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12522011 is an equidigital number, since it uses as much as digits as its factorization.

12522011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12522011 is about 3538.6453622820. The cubic root of 12522011 is about 232.2155831514.

Adding to 12522011 its reverse (11022521), we get a palindrome (23544532).

The spelling of 12522011 in words is "twelve million, five hundred twenty-two thousand, eleven".