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13870067 is a prime number
BaseRepresentation
bin110100111010…
…001111110011
3222002200011012
4310322033303
512022320232
61213141135
7225615341
oct64721763
928080135
1013870067
117913872
12478a7ab
132b48253
141bb0991
15133e9b2
hexd3a3f3

13870067 has 2 divisors, whose sum is σ = 13870068. Its totient is φ = 13870066.

The previous prime is 13870061. The next prime is 13870069. The reversal of 13870067 is 76007831.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13870067 - 28 = 13869811 is a prime.

Together with 13870069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13870061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6935033 + 6935034.

It is an arithmetic number, because the mean of its divisors is an integer number (6935034).

Almost surely, 213870067 is an apocalyptic number.

13870067 is a deficient number, since it is larger than the sum of its proper divisors (1).

13870067 is an equidigital number, since it uses as much as digits as its factorization.

13870067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 13870067 is about 3724.2538850084. The cubic root of 13870067 is about 240.2662958531.

Adding to 13870067 its reverse (76007831), we get a palindrome (89877898).

The spelling of 13870067 in words is "thirteen million, eight hundred seventy thousand, sixty-seven".