12543466 has 8 divisors (see below), whose sum is σ = 20262564. Its totient is φ = 5789280.

The previous prime is 12543463. The next prime is 12543469. The reversal of 12543466 is 66434521.

It is an interprime number because it is at equal distance from previous prime (12543463) and next prime (12543469).

It can be written as a sum of positive squares in 2 ways, for example, as 10426441 + 2117025 = 3229^2 + 1455^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12543463) 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, 241195 + ... + 241246.

Almost surely, 2^12543466 is an apocalyptic number.

12543466 is a deficient number, since it is larger than the sum of its proper divisors (7719098).

12543466 is a wasteful number, since it uses less digits than its factorization.

12543466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482456.

The product of its digits is 17280, while the sum is 31.

The square root of 12543466 is about 3541.6755921456. The cubic root of 12543466 is about 232.3481322171.

Adding to 12543466 its reverse (66434521), we get a palindrome (78977987).

The spelling of 12543466 in words is "twelve million, five hundred forty-three thousand, four hundred sixty-six".