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13439417 is a prime number
BaseRepresentation
bin110011010001…
…000110111001
3221021210102012
4303101012321
511420030132
61200015305
7222142655
oct63210671
927253365
1013439417
11764a262
124601535
132a27224
141adba65
1512a70b2
hexcd11b9

13439417 has 2 divisors, whose sum is σ = 13439418. Its totient is φ = 13439416.

The previous prime is 13439411. The next prime is 13439449. The reversal of 13439417 is 71493431.

13439417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (13439449) can be obtained adding 13439417 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11397376 + 2042041 = 3376^2 + 1429^2 .

It is an emirp because it is prime and its reverse (71493431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13439417 - 210 = 13438393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13439411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6719708 + 6719709.

It is an arithmetic number, because the mean of its divisors is an integer number (6719709).

Almost surely, 213439417 is an apocalyptic number.

It is an amenable number.

13439417 is a deficient number, since it is larger than the sum of its proper divisors (1).

13439417 is an equidigital number, since it uses as much as digits as its factorization.

13439417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 13439417 is about 3665.9810419586. The cubic root of 13439417 is about 237.7534402567.

The spelling of 13439417 in words is "thirteen million, four hundred thirty-nine thousand, four hundred seventeen".