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13208407 is a prime number
BaseRepresentation
bin110010011000…
…101101010111
3220212001112021
4302120231113
511340132112
61151034011
7220161322
oct62305527
926761467
1013208407
117501743
12450b907
132976034
141a7b7b9
15125d907
hexc98b57

13208407 has 2 divisors, whose sum is σ = 13208408. Its totient is φ = 13208406.

The previous prime is 13208399. The next prime is 13208413. The reversal of 13208407 is 70480231.

It is a strong prime.

It is an emirp because it is prime and its reverse (70480231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13208407 - 23 = 13208399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13208467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6604203 + 6604204.

It is an arithmetic number, because the mean of its divisors is an integer number (6604204).

Almost surely, 213208407 is an apocalyptic number.

13208407 is a deficient number, since it is larger than the sum of its proper divisors (1).

13208407 is an equidigital number, since it uses as much as digits as its factorization.

13208407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 13208407 is about 3634.3372160547. The cubic root of 13208407 is about 236.3833124960.

Adding to 13208407 its reverse (70480231), we get a palindrome (83688638).

The spelling of 13208407 in words is "thirteen million, two hundred eight thousand, four hundred seven".