Search a number
-
+
13822705 = 513297333
BaseRepresentation
bin110100101110…
…101011110001
3222000021012001
4310232223301
512014311310
61212134001
7225330301
oct64565361
928007161
1013822705
117891226
124767301
132b2c820
141b9b601
15133093a
hexd2eaf1

13822705 has 16 divisors (see below), whose sum is σ = 18481680. Its totient is φ = 9854208.

The previous prime is 13822687. The next prime is 13822723. The reversal of 13822705 is 50722831.

It is an interprime number because it is at equal distance from previous prime (13822687) and next prime (13822723).

It can be written as a sum of positive squares in 8 ways, for example, as 4477456 + 9345249 = 2116^2 + 3057^2 .

It is not a de Polignac number, because 13822705 - 223 = 5434097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1782 + ... + 5551.

It is an arithmetic number, because the mean of its divisors is an integer number (1155105).

Almost surely, 213822705 is an apocalyptic number.

It is an amenable number.

13822705 is a deficient number, since it is larger than the sum of its proper divisors (4658975).

13822705 is a wasteful number, since it uses less digits than its factorization.

13822705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 13822705 is about 3717.8898585085. The cubic root of 13822705 is about 239.9925055530.

The spelling of 13822705 in words is "thirteen million, eight hundred twenty-two thousand, seven hundred five".

Divisors: 1 5 13 29 65 145 377 1885 7333 36665 95329 212657 476645 1063285 2764541 13822705