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13061057 = 22875711
BaseRepresentation
bin110001110100…
…101111000001
3220120120101212
4301310233001
511320423212
61143535505
7216005612
oct61645701
926516355
1013061057
117410a69
12445a595
132923c49
141a3dc09
15122ee22
hexc74bc1

13061057 has 4 divisors (see below), whose sum is σ = 13069056. Its totient is φ = 13053060.

The previous prime is 13061053. The next prime is 13061071. The reversal of 13061057 is 75016031.

13061057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13061057 - 22 = 13061053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13061051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (3267264).

Almost surely, 213061057 is an apocalyptic number.

It is an amenable number.

13061057 is a deficient number, since it is larger than the sum of its proper divisors (7999).

13061057 is an equidigital number, since it uses as much as digits as its factorization.

13061057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7998.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 13061057 is about 3614.0084393925. The cubic root of 13061057 is about 235.5010104791.

Adding to 13061057 its reverse (75016031), we get a palindrome (88077088).

The spelling of 13061057 in words is "thirteen million, sixty-one thousand, fifty-seven".

Divisors: 1 2287 5711 13061057