Search a number
-
+
13439017 is a prime number
BaseRepresentation
bin110011010001…
…000000101001
3221021202212101
4303101000221
511420022032
61200013401
7222141544
oct63210051
927252771
1013439017
117649a29
124601261
132a26ca7
141adb85b
1512a6de7
hexcd1029

13439017 has 2 divisors, whose sum is σ = 13439018. Its totient is φ = 13439016.

The previous prime is 13439009. The next prime is 13439033. The reversal of 13439017 is 71093431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12645136 + 793881 = 3556^2 + 891^2 .

It is an emirp because it is prime and its reverse (71093431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13439017 - 23 = 13439009 is a prime.

It is not a weakly prime, because it can be changed into another prime (13439047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6719508 + 6719509.

It is an arithmetic number, because the mean of its divisors is an integer number (6719509).

Almost surely, 213439017 is an apocalyptic number.

It is an amenable number.

13439017 is a deficient number, since it is larger than the sum of its proper divisors (1).

13439017 is an equidigital number, since it uses as much as digits as its factorization.

13439017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 13439017 is about 3665.9264858968. The cubic root of 13439017 is about 237.7510814659.

The spelling of 13439017 in words is "thirteen million, four hundred thirty-nine thousand, seventeen".