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13141057 = 15783701
BaseRepresentation
bin110010001000…
…010001000001
3220201122010211
4302020101001
511331003212
61145354121
7216461056
oct62102101
926648124
1013141057
117466086
124498941
132951497
141a6102d
1512489a7
hexc88441

13141057 has 4 divisors (see below), whose sum is σ = 13224916. Its totient is φ = 13057200.

The previous prime is 13141043. The next prime is 13141069. The reversal of 13141057 is 75014131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75014131 = 148150651.

It can be written as a sum of positive squares in 2 ways, for example, as 1245456 + 11895601 = 1116^2 + 3449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13141057 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13141757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41694 + ... + 42007.

It is an arithmetic number, because the mean of its divisors is an integer number (3306229).

Almost surely, 213141057 is an apocalyptic number.

It is an amenable number.

13141057 is a deficient number, since it is larger than the sum of its proper divisors (83859).

13141057 is an equidigital number, since it uses as much as digits as its factorization.

13141057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83858.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 13141057 is about 3625.0595857172. The cubic root of 13141057 is about 235.9808528467.

Adding to 13141057 its reverse (75014131), we get a palindrome (88155188).

The spelling of 13141057 in words is "thirteen million, one hundred forty-one thousand, fifty-seven".

Divisors: 1 157 83701 13141057