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11959 is a prime number
BaseRepresentation
bin10111010110111
3121101221
42322313
5340314
6131211
746603
oct27267
917357
1011959
118a92
126b07
13559c
144503
153824
hex2eb7

11959 has 2 divisors, whose sum is σ = 11960. Its totient is φ = 11958.

The previous prime is 11953. The next prime is 11969. The reversal of 11959 is 95911.

It is a weak prime.

It is an emirp because it is prime and its reverse (95911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11959 - 25 = 11927 is a prime.

11959 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5979 + 5980.

It is an arithmetic number, because the mean of its divisors is an integer number (5980).

211959 is an apocalyptic number.

11959 is a deficient number, since it is larger than the sum of its proper divisors (1).

11959 is an equidigital number, since it uses as much as digits as its factorization.

11959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 405, while the sum is 25.

The square root of 11959 is about 109.3572128394. The cubic root of 11959 is about 22.8681810525.

It can be divided in two parts, 119 and 59, that multiplied together give a triangular number (7021 = T118).

The spelling of 11959 in words is "eleven thousand, nine hundred fifty-nine".