12522055 has 48 divisors (see below), whose sum is σ = 19500480. Its totient is φ = 7547904.

The previous prime is 12522043. The next prime is 12522067. The reversal of 12522055 is 55022521.

12522055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12522043) and next prime (12522067).

It is not a de Polignac number, because 12522055 - 2⁵ = 12522023 is a prime.

It is a super-2 number, since 2×12522055² = 313603722846050, which contains 22 as substring.

It is a congruent number.

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 in 47 ways as a sum of consecutive naturals, for example, 171499 + ... + 171571.

It is an arithmetic number, because the mean of its divisors is an integer number (406260).

Almost surely, 2^12522055 is an apocalyptic number.

12522055 is a deficient number, since it is larger than the sum of its proper divisors (6978425).

12522055 is a wasteful number, since it uses less digits than its factorization.

12522055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 12522055 is about 3538.6515793449. The cubic root of 12522055 is about 232.2158551384.

Adding to 12522055 its reverse (55022521), we get a palindrome (67544576).

The spelling of 12522055 in words is "twelve million, five hundred twenty-two thousand, fifty-five".