12522127 has 4 divisors (see below), whose sum is σ = 12673080. Its totient is φ = 12371176.

The previous prime is 12522091. The next prime is 12522131. The reversal of 12522127 is 72122521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12522127 - 2¹⁵ = 12489359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12522098 and 12522107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522137) 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, 75352 + ... + 75517.

It is an arithmetic number, because the mean of its divisors is an integer number (3168270).

Almost surely, 2^12522127 is an apocalyptic number.

12522127 is a deficient number, since it is larger than the sum of its proper divisors (150953).

12522127 is an equidigital number, since it uses as much as digits as its factorization.

12522127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150952.

The product of its digits is 560, while the sum is 22.

The square root of 12522127 is about 3538.6617526969. The cubic root of 12522127 is about 232.2163002067.

Adding to 12522127 its reverse (72122521), we get a palindrome (84644648).

The spelling of 12522127 in words is "twelve million, five hundred twenty-two thousand, one hundred twenty-seven".