Search a number
-
+
13427161 = 1117591217
BaseRepresentation
bin110011001110…
…000111011001
3221021011121021
4303032013121
511414132121
61155442441
7222062146
oct63160731
927234537
1013427161
117641030
1245b6421
132a21787
141ad73cd
1512a3641
hexcce1d9

13427161 has 16 divisors (see below), whose sum is σ = 15785280. Its totient is φ = 11284480.

The previous prime is 13427153. The next prime is 13427201. The reversal of 13427161 is 16172431.

It is a cyclic number.

It is not a de Polignac number, because 13427161 - 23 = 13427153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13427461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10425 + ... + 11641.

It is an arithmetic number, because the mean of its divisors is an integer number (986580).

Almost surely, 213427161 is an apocalyptic number.

13427161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13427161 is a deficient number, since it is larger than the sum of its proper divisors (2358119).

13427161 is a wasteful number, since it uses less digits than its factorization.

13427161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its digits is 1008, while the sum is 25.

The square root of 13427161 is about 3664.3090753920. The cubic root of 13427161 is about 237.6811456429.

Adding to 13427161 its reverse (16172431), we get a palindrome (29599592).

The spelling of 13427161 in words is "thirteen million, four hundred twenty-seven thousand, one hundred sixty-one".

Divisors: 1 11 17 59 187 649 1003 1217 11033 13387 20689 71803 227579 789833 1220651 13427161