12522027 has 16 divisors (see below), whose sum is σ = 19141632. Its totient is φ = 7132800.

The previous prime is 12522023. The next prime is 12522031. The reversal of 12522027 is 72022521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12522023) and next prime (12522031).

It is not a de Polignac number, because 12522027 - 2² = 12522023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12521994 and 12522012.

It is not an unprimeable number, because it can be changed into a prime (12522023) 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 in 15 ways as a sum of consecutive naturals, for example, 7678 + ... + 9164.

It is an arithmetic number, because the mean of its divisors is an integer number (1196352).

Almost surely, 2^12522027 is an apocalyptic number.

12522027 is a deficient number, since it is larger than the sum of its proper divisors (6619605).

12522027 is a wasteful number, since it uses less digits than its factorization.

12522027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 12522027 is about 3538.6476230334. The cubic root of 12522027 is about 232.2156820558.

Adding to 12522027 its reverse (72022521), we get a palindrome (84544548).

The spelling of 12522027 in words is "twelve million, five hundred twenty-two thousand, twenty-seven".