12916043 has 4 divisors (see below), whose sum is σ = 14761200. Its totient is φ = 11070888.

The previous prime is 12916037. The next prime is 12916051. The reversal of 12916043 is 34061921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34061921 = 29 ⋅1174549.

It is a cyclic number.

It is not a de Polignac number, because 12916043 - 2¹⁴ = 12899659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12916003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922568 + ... + 922581.

It is an arithmetic number, because the mean of its divisors is an integer number (3690300).

Almost surely, 2^12916043 is an apocalyptic number.

12916043 is a deficient number, since it is larger than the sum of its proper divisors (1845157).

12916043 is an equidigital number, since it uses as much as digits as its factorization.

12916043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845156.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 12916043 is about 3593.8896755465. The cubic root of 12916043 is about 234.6261930977.

Adding to 12916043 its reverse (34061921), we get a palindrome (46977964).

The spelling of 12916043 in words is "twelve million, nine hundred sixteen thousand, forty-three".