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13057943 is a prime number
BaseRepresentation
bin110001110011…
…111110010111
3220120102010112
4301303332113
511320323233
61143513235
7215663543
oct61637627
926512115
1013057943
117409698
12445881b
1329226c2
141a3ca23
15122e048
hexc73f97

13057943 has 2 divisors, whose sum is σ = 13057944. Its totient is φ = 13057942.

The previous prime is 13057937. The next prime is 13057973. The reversal of 13057943 is 34975031.

It is a happy number.

13057943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13057943 - 210 = 13056919 is a prime.

It is equal to p852773 and since 13057943 and 852773 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13057973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6528971 + 6528972.

It is an arithmetic number, because the mean of its divisors is an integer number (6528972).

Almost surely, 213057943 is an apocalyptic number.

13057943 is a deficient number, since it is larger than the sum of its proper divisors (1).

13057943 is an equidigital number, since it uses as much as digits as its factorization.

13057943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 13057943 is about 3613.5775901453. The cubic root of 13057943 is about 235.4822930447.

The spelling of 13057943 in words is "thirteen million, fifty-seven thousand, nine hundred forty-three".