12545022 has 16 divisors (see below), whose sum is σ = 28674432. Its totient is φ = 3584280.

The previous prime is 12544999. The next prime is 12545041. The reversal of 12545022 is 22054521.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12545022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149304 + ... + 149387.

It is an arithmetic number, because the mean of its divisors is an integer number (1792152).

Almost surely, 2^12545022 is an apocalyptic number.

12545022 is an abundant number, since it is smaller than the sum of its proper divisors (16129410).

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

12545022 is a wasteful number, since it uses less digits than its factorization.

12545022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298703.

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

The square root of 12545022 is about 3541.8952553682. The cubic root of 12545022 is about 232.3577393105.

Adding to 12545022 its reverse (22054521), we get a palindrome (34599543).

The spelling of 12545022 in words is "twelve million, five hundred forty-five thousand, twenty-two".