12522031 has 2 divisors, whose sum is σ = 12522032. Its totient is φ = 12522030.

The previous prime is 12522023. The next prime is 12522043. The reversal of 12522031 is 13022521.

It is a weak prime.

It is an emirp because it is prime and its reverse (13022521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12522031 - 2³ = 12522023 is a prime.

It is a super-2 number, since 2×12522031² = 313602520729922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12521996 and 12522014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12522011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261015 + 6261016.

It is an arithmetic number, because the mean of its divisors is an integer number (6261016).

Almost surely, 2^12522031 is an apocalyptic number.

12522031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12522031 is an equidigital number, since it uses as much as digits as its factorization.

12522031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12522031 is about 3538.6481882210. The cubic root of 12522031 is about 232.2157067819.

Adding to 12522031 its reverse (13022521), we get a palindrome (25544552).

The spelling of 12522031 in words is "twelve million, five hundred twenty-two thousand, thirty-one".