Search a number
-
+
12871451 is a prime number
BaseRepresentation
bin110001000110…
…011100011011
3220012221022102
4301012130123
511243341301
61135514015
7214256045
oct61063433
926187272
1012871451
1172a156a
12438890b
132888858
1419d0a95
1511e3b6b
hexc4671b

12871451 has 2 divisors, whose sum is σ = 12871452. Its totient is φ = 12871450.

The previous prime is 12871429. The next prime is 12871471. The reversal of 12871451 is 15417821.

12871451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12871451 - 26 = 12871387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12871471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6435725 + 6435726.

It is an arithmetic number, because the mean of its divisors is an integer number (6435726).

Almost surely, 212871451 is an apocalyptic number.

12871451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12871451 is an equidigital number, since it uses as much as digits as its factorization.

12871451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 29.

The square root of 12871451 is about 3587.6804484235. The cubic root of 12871451 is about 234.3558699883.

The spelling of 12871451 in words is "twelve million, eight hundred seventy-one thousand, four hundred fifty-one".