12354522 has 64 divisors (see below), whose sum is σ = 27907200. Its totient is φ = 3628800.

The previous prime is 12354521. The next prime is 12354527. The reversal of 12354522 is 22545321.

It is a junction number, because it is equal to n+sod(n) for n = 12354492 and 12354501.

It is not an unprimeable number, because it can be changed into a prime (12354521) 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 31 ways as a sum of consecutive naturals, for example, 122272 + ... + 122372.

It is an arithmetic number, because the mean of its divisors is an integer number (436050).

Almost surely, 2^12354522 is an apocalyptic number.

12354522 is an abundant number, since it is smaller than the sum of its proper divisors (15552678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12354522 is a wasteful number, since it uses less digits than its factorization.

12354522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

The product of its digits is 2400, while the sum is 24.

The square root of 12354522 is about 3514.8999985775. The cubic root of 12354522 is about 231.1755940801.

Adding to 12354522 its reverse (22545321), we get a palindrome (34899843).

It can be divided in two parts, 123 and 54522, that added together give a palindrome (54645).

The spelling of 12354522 in words is "twelve million, three hundred fifty-four thousand, five hundred twenty-two".