12522611 has 4 divisors (see below), whose sum is σ = 12530400. Its totient is φ = 12514824.

The previous prime is 12522607. The next prime is 12522617. The reversal of 12522611 is 11622521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11622521 = 23 ⋅505327.

It is a cyclic number.

It is not a de Polignac number, because 12522611 - 2² = 12522607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12522617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (3132600).

Almost surely, 2^12522611 is an apocalyptic number.

12522611 is a deficient number, since it is larger than the sum of its proper divisors (7789).

12522611 is an equidigital number, since it uses as much as digits as its factorization.

12522611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7788.

The product of its digits is 240, while the sum is 20.

The square root of 12522611 is about 3538.7301394709. The cubic root of 12522611 is about 232.2192920105.

The spelling of 12522611 in words is "twelve million, five hundred twenty-two thousand, six hundred eleven".