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13606139 is a prime number
BaseRepresentation
bin110011111001…
…110011111011
3221121021010002
4303321303323
511440344024
61203343215
7223436021
oct63716373
927537102
1013606139
117753548
124681b0b
132a85091
141b42711
1512db6ae
hexcf9cfb

13606139 has 2 divisors, whose sum is σ = 13606140. Its totient is φ = 13606138.

The previous prime is 13606123. The next prime is 13606163. The reversal of 13606139 is 93160631.

13606139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (93160631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13606139 - 24 = 13606123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13606169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6803069 + 6803070.

It is an arithmetic number, because the mean of its divisors is an integer number (6803070).

Almost surely, 213606139 is an apocalyptic number.

13606139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13606139 is an equidigital number, since it uses as much as digits as its factorization.

13606139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 13606139 is about 3688.6500240603. The cubic root of 13606139 is about 238.7325486363.

The spelling of 13606139 in words is "thirteen million, six hundred six thousand, one hundred thirty-nine".