12522135 has 8 divisors (see below), whose sum is σ = 20035440. Its totient is φ = 6678464.

The previous prime is 12522131. The next prime is 12522137. The reversal of 12522135 is 53122521.

12522135 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12522135 - 2² = 12522131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417390 + ... + 417419.

It is an arithmetic number, because the mean of its divisors is an integer number (2504430).

Almost surely, 2^12522135 is an apocalyptic number.

12522135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12522135 is a deficient number, since it is larger than the sum of its proper divisors (7513305).

12522135 is an equidigital number, since it uses as much as digits as its factorization.

12522135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834817.

The product of its digits is 600, while the sum is 21.

The square root of 12522135 is about 3538.6628830676. The cubic root of 12522135 is about 232.2163496586.

Adding to 12522135 its reverse (53122521), we get a palindrome (65644656).

The spelling of 12522135 in words is "twelve million, five hundred twenty-two thousand, one hundred thirty-five".