12287452 has 24 divisors (see below), whose sum is σ = 22861440. Its totient is φ = 5762160.

The previous prime is 12287449. The next prime is 12287459. The reversal of 12287452 is 25478221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12287459) 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, 7377 + ... + 8887.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^12287452 is an apocalyptic number.

It is an amenable number.

12287452 is a deficient number, since it is larger than the sum of its proper divisors (10573988).

12287452 is a wasteful number, since it uses less digits than its factorization.

12287452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1639 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 12287452 is about 3505.3462025883. The cubic root of 12287452 is about 230.7565008476.

The spelling of 12287452 in words is "twelve million, two hundred eighty-seven thousand, four hundred fifty-two".