Search a number
-
+
13616893 is a prime number
BaseRepresentation
bin110011111100…
…011011111101
3221121210212101
4303330123331
511441220033
61203505101
7223512253
oct63743375
927553771
1013616893
117760634
124688191
132a89c44
141b465d3
1512de97d
hexcfc6fd

13616893 has 2 divisors, whose sum is σ = 13616894. Its totient is φ = 13616892.

The previous prime is 13616891. The next prime is 13616899. The reversal of 13616893 is 39861631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13344409 + 272484 = 3653^2 + 522^2 .

It is a cyclic number.

It is not a de Polignac number, because 13616893 - 21 = 13616891 is a prime.

Together with 13616891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13616891) 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, 6808446 + 6808447.

It is an arithmetic number, because the mean of its divisors is an integer number (6808447).

Almost surely, 213616893 is an apocalyptic number.

It is an amenable number.

13616893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13616893 is an equidigital number, since it uses as much as digits as its factorization.

13616893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 13616893 is about 3690.1074510101. The cubic root of 13616893 is about 238.7954284323.

The spelling of 13616893 in words is "thirteen million, six hundred sixteen thousand, eight hundred ninety-three".