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13061041 = 71865863
BaseRepresentation
bin110001110100…
…101110110001
3220120120101021
4301310232301
511320423131
61143535441
7216005560
oct61645661
926516337
1013061041
117410a54
12445a581
132923c36
141a3dbd7
15122ee11
hexc74bb1

13061041 has 4 divisors (see below), whose sum is σ = 14926912. Its totient is φ = 11195172.

The previous prime is 13061039. The next prime is 13061051. The reversal of 13061041 is 14016031.

13061041 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 14016031 = 61229771.

It is a cyclic number.

It is not a de Polignac number, because 13061041 - 21 = 13061039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13061011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932925 + ... + 932938.

It is an arithmetic number, because the mean of its divisors is an integer number (3731728).

Almost surely, 213061041 is an apocalyptic number.

It is an amenable number.

13061041 is a deficient number, since it is larger than the sum of its proper divisors (1865871).

13061041 is an equidigital number, since it uses as much as digits as its factorization.

13061041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865870.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 13061041 is about 3614.0062257832. The cubic root of 13061041 is about 235.5009143150.

Adding to 13061041 its reverse (14016031), we get a palindrome (27077072).

The spelling of 13061041 in words is "thirteen million, sixty-one thousand, forty-one".

Divisors: 1 7 1865863 13061041