12570043 has 2 divisors, whose sum is σ = 12570044. Its totient is φ = 12570042.

The previous prime is 12570037. The next prime is 12570073. The reversal of 12570043 is 34007521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12570043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12569996 and 12570023.

It is not a weakly prime, because it can be changed into another prime (12570073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285021 + 6285022.

It is an arithmetic number, because the mean of its divisors is an integer number (6285022).

Almost surely, 2^12570043 is an apocalyptic number.

12570043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12570043 is an equidigital number, since it uses as much as digits as its factorization.

12570043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 12570043 is about 3545.4256444043. The cubic root of 12570043 is about 232.5121156056.

Adding to 12570043 its reverse (34007521), we get a palindrome (46577564).

The spelling of 12570043 in words is "twelve million, five hundred seventy thousand, forty-three".