Search a number
-
+
13012341 = 34337447
BaseRepresentation
bin110001101000…
…110101110101
3220111002120120
4301220311311
511312343331
61142522153
7215413566
oct61506565
926432516
1013012341
117388401
124436359
132907a14
141a2a16d
151220796
hexc68d75

13012341 has 4 divisors (see below), whose sum is σ = 17349792. Its totient is φ = 8674892.

The previous prime is 13012333. The next prime is 13012367. The reversal of 13012341 is 14321031.

13012341 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.

It is a cyclic number.

It is not a de Polignac number, because 13012341 - 23 = 13012333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13012341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012301) 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, 2168721 + ... + 2168726.

It is an arithmetic number, because the mean of its divisors is an integer number (4337448).

Almost surely, 213012341 is an apocalyptic number.

It is an amenable number.

13012341 is a deficient number, since it is larger than the sum of its proper divisors (4337451).

13012341 is an equidigital number, since it uses as much as digits as its factorization.

13012341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337450.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13012341 is about 3607.2622582784. The cubic root of 13012341 is about 235.2078499104.

Adding to 13012341 its reverse (14321031), we get a palindrome (27333372).

The spelling of 13012341 in words is "thirteen million, twelve thousand, three hundred forty-one".

Divisors: 1 3 4337447 13012341