12450522 has 16 divisors (see below), whose sum is σ = 28458432. Its totient is φ = 3557280.

The previous prime is 12450517. The next prime is 12450523. The reversal of 12450522 is 22505421.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (12450523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148179 + ... + 148262.

It is an arithmetic number, because the mean of its divisors is an integer number (1778652).

Almost surely, 2^12450522 is an apocalyptic number.

12450522 is an abundant number, since it is smaller than the sum of its proper divisors (16007910).

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

12450522 is a wasteful number, since it uses less digits than its factorization.

12450522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296453.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 12450522 is about 3528.5297221364. The cubic root of 12450522 is about 231.7728280642.

Adding to 12450522 its reverse (22505421), we get a palindrome (34955943).

The spelling of 12450522 in words is "twelve million, four hundred fifty thousand, five hundred twenty-two".