Search a number
-
+
13471669 is a prime number
BaseRepresentation
bin110011011000…
…111110110101
3221100102122201
4303120332311
511422043134
61200424501
7222336001
oct63307665
927312581
1013471669
117671512
124618131
132a38b03
141b09701
1512b1914
hexcd8fb5

13471669 has 2 divisors, whose sum is σ = 13471670. Its totient is φ = 13471668.

The previous prime is 13471643. The next prime is 13471693. The reversal of 13471669 is 96617431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13032100 + 439569 = 3610^2 + 663^2 .

It is a cyclic number.

It is not a de Polignac number, because 13471669 - 213 = 13463477 is a prime.

It is a super-3 number, since 3×134716693 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13471609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6735834 + 6735835.

It is an arithmetic number, because the mean of its divisors is an integer number (6735835).

Almost surely, 213471669 is an apocalyptic number.

It is an amenable number.

13471669 is a deficient number, since it is larger than the sum of its proper divisors (1).

13471669 is an equidigital number, since it uses as much as digits as its factorization.

13471669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 13471669 is about 3670.3772285693. The cubic root of 13471669 is about 237.9434757371.

The spelling of 13471669 in words is "thirteen million, four hundred seventy-one thousand, six hundred sixty-nine".