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13390207 is a prime number
BaseRepresentation
bin110011000101…
…000101111111
3221012021220121
4303011011333
511411441312
61154555411
7221546335
oct63050577
927167817
1013390207
117616296
124598b67
132a0a9cc
141ac7b55
151297707
hexcc517f

13390207 has 2 divisors, whose sum is σ = 13390208. Its totient is φ = 13390206.

The previous prime is 13390187. The next prime is 13390211. The reversal of 13390207 is 70209331.

It is a strong prime.

It is an emirp because it is prime and its reverse (70209331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13390207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13390607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6695103 + 6695104.

It is an arithmetic number, because the mean of its divisors is an integer number (6695104).

Almost surely, 213390207 is an apocalyptic number.

13390207 is a deficient number, since it is larger than the sum of its proper divisors (1).

13390207 is an equidigital number, since it uses as much as digits as its factorization.

13390207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 13390207 is about 3659.2631771984. The cubic root of 13390207 is about 237.4628979900.

Adding to 13390207 its reverse (70209331), we get a palindrome (83599538).

The spelling of 13390207 in words is "thirteen million, three hundred ninety thousand, two hundred seven".