Search a number
-
+
13305893 is a prime number
BaseRepresentation
bin110010110000…
…100000100101
3221001000020212
4302300200211
511401242033
61153105205
7221045456
oct62604045
927030225
1013305893
117568a07
124558205
1329ab513
141aa512d
15127c748
hexcb0825

13305893 has 2 divisors, whose sum is σ = 13305894. Its totient is φ = 13305892.

The previous prime is 13305881. The next prime is 13305899. The reversal of 13305893 is 39850331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12124324 + 1181569 = 3482^2 + 1087^2 .

It is a cyclic number.

It is not a de Polignac number, because 13305893 - 214 = 13289509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13305899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6652946 + 6652947.

It is an arithmetic number, because the mean of its divisors is an integer number (6652947).

Almost surely, 213305893 is an apocalyptic number.

It is an amenable number.

13305893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13305893 is an equidigital number, since it uses as much as digits as its factorization.

13305893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 13305893 is about 3647.7243591039. The cubic root of 13305893 is about 236.9634380150.

The spelling of 13305893 in words is "thirteen million, three hundred five thousand, eight hundred ninety-three".