12251573 has 4 divisors (see below), whose sum is σ = 12360108. Its totient is φ = 12143040.

The previous prime is 12251567. The next prime is 12251581. The reversal of 12251573 is 37515221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2900209 + 9351364 = 1703^2 + 3058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12251573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12257573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54098 + ... + 54323.

It is an arithmetic number, because the mean of its divisors is an integer number (3090027).

Almost surely, 2^12251573 is an apocalyptic number.

It is an amenable number.

12251573 is a deficient number, since it is larger than the sum of its proper divisors (108535).

12251573 is a wasteful number, since it uses less digits than its factorization.

12251573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108534.

The product of its digits is 2100, while the sum is 26.

The square root of 12251573 is about 3500.2247070724. The cubic root of 12251573 is about 230.5316811416.

Adding to 12251573 its reverse (37515221), we get a palindrome (49766794).

The spelling of 12251573 in words is "twelve million, two hundred fifty-one thousand, five hundred seventy-three".