12510443 has 4 divisors (see below), whose sum is σ = 13647768. Its totient is φ = 11373120.

The previous prime is 12510427. The next prime is 12510461. The reversal of 12510443 is 34401521.

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

It is not a de Polignac number, because 12510443 - 2⁴ = 12510427 is a prime.

It is a super-2 number, since 2×12510443² = 313022368112498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12510473) 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, 568646 + ... + 568667.

It is an arithmetic number, because the mean of its divisors is an integer number (3411942).

Almost surely, 2^12510443 is an apocalyptic number.

12510443 is a deficient number, since it is larger than the sum of its proper divisors (1137325).

12510443 is a wasteful number, since it uses less digits than its factorization.

12510443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137324.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12510443 is about 3537.0104608271. The cubic root of 12510443 is about 232.1440531739.

Adding to 12510443 its reverse (34401521), we get a palindrome (46911964).

The spelling of 12510443 in words is "twelve million, five hundred ten thousand, four hundred forty-three".