Search a number
-
+
13226471 is a prime number
BaseRepresentation
bin110010011101…
…000111100111
3220212222022022
4302131013213
511341221341
61151253355
7220265066
oct62350747
926788268
1013226471
117514275
12451a25b
13298131b
141a841dd
151263e4b
hexc9d1e7

13226471 has 2 divisors, whose sum is σ = 13226472. Its totient is φ = 13226470.

The previous prime is 13226467. The next prime is 13226497. The reversal of 13226471 is 17462231.

It is an a-pointer prime, because the next prime (13226497) can be obtained adding 13226471 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13226471 - 22 = 13226467 is a prime.

It is a super-3 number, since 3×132264713 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13226471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13226401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613235 + 6613236.

It is an arithmetic number, because the mean of its divisors is an integer number (6613236).

Almost surely, 213226471 is an apocalyptic number.

13226471 is a deficient number, since it is larger than the sum of its proper divisors (1).

13226471 is an equidigital number, since it uses as much as digits as its factorization.

13226471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 13226471 is about 3636.8215518499. The cubic root of 13226471 is about 236.4910237703.

The spelling of 13226471 in words is "thirteen million, two hundred twenty-six thousand, four hundred seventy-one".