12451043 has 4 divisors (see below), whose sum is σ = 13582968. Its totient is φ = 11319120.

The previous prime is 12451039. The next prime is 12451051. The reversal of 12451043 is 34015421.

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

It is a cyclic number.

It is not a de Polignac number, because 12451043 - 2² = 12451039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12451013) 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 3 ways as a sum of consecutive naturals, for example, 565946 + ... + 565967.

It is an arithmetic number, because the mean of its divisors is an integer number (3395742).

Almost surely, 2^12451043 is an apocalyptic number.

12451043 is a deficient number, since it is larger than the sum of its proper divisors (1131925).

12451043 is a wasteful number, since it uses less digits than its factorization.

12451043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131924.

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

The square root of 12451043 is about 3528.6035481476. The cubic root of 12451043 is about 231.7760609129.

Adding to 12451043 its reverse (34015421), we get a palindrome (46466464).

The spelling of 12451043 in words is "twelve million, four hundred fifty-one thousand, forty-three".