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13057277 is a prime number
BaseRepresentation
bin110001110011…
…110011111101
3220120101012212
4301303303331
511320313102
61143510205
7215661602
oct61636375
926511185
1013057277
117409142
124458365
1329222cc
141a3c6a9
15122dc52
hexc73cfd

13057277 has 2 divisors, whose sum is σ = 13057278. Its totient is φ = 13057276.

The previous prime is 13057273. The next prime is 13057321. The reversal of 13057277 is 77275031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13039321 + 17956 = 3611^2 + 134^2 .

It is an emirp because it is prime and its reverse (77275031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13057277 - 22 = 13057273 is a prime.

It is equal to p852737 and since 13057277 and 852737 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 (13057273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6528638 + 6528639.

It is an arithmetic number, because the mean of its divisors is an integer number (6528639).

Almost surely, 213057277 is an apocalyptic number.

It is an amenable number.

13057277 is a deficient number, since it is larger than the sum of its proper divisors (1).

13057277 is an equidigital number, since it uses as much as digits as its factorization.

13057277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 13057277 is about 3613.4854365280. The cubic root of 13057277 is about 235.4782895077.

The spelling of 13057277 in words is "thirteen million, fifty-seven thousand, two hundred seventy-seven".