Search a number
-
+
12964841 is a prime number
BaseRepresentation
bin110001011101…
…001111101001
3220101200102022
4301131033221
511304333331
61141514225
7215125241
oct61351751
926350368
1012964841
11735574a
124412975
1328bc206
141a16b21
15121167b
hexc5d3e9

12964841 has 2 divisors, whose sum is σ = 12964842. Its totient is φ = 12964840.

The previous prime is 12964823. The next prime is 12964843. The reversal of 12964841 is 14846921.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8880400 + 4084441 = 2980^2 + 2021^2 .

It is a cyclic number.

It is not a de Polignac number, because 12964841 - 210 = 12963817 is a prime.

Together with 12964843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12964843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6482420 + 6482421.

It is an arithmetic number, because the mean of its divisors is an integer number (6482421).

Almost surely, 212964841 is an apocalyptic number.

It is an amenable number.

12964841 is a deficient number, since it is larger than the sum of its proper divisors (1).

12964841 is an equidigital number, since it uses as much as digits as its factorization.

12964841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 12964841 is about 3600.6722983354. The cubic root of 12964841 is about 234.9213015489.

The spelling of 12964841 in words is "twelve million, nine hundred sixty-four thousand, eight hundred forty-one".