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13117841 = 114725373
BaseRepresentation
bin110010000010…
…100110010001
3220200110021222
4302002212101
511324232331
61145054425
7216333302
oct62024621
926613258
1013117841
11744a6a0
124487415
132943a49
141a567a9
151241b7b
hexc82991

13117841 has 8 divisors (see below), whose sum is σ = 14615424. Its totient is φ = 11671120.

The previous prime is 13117837. The next prime is 13117849. The reversal of 13117841 is 14871131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13117841 - 22 = 13117837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13117841.

It is not an unprimeable number, because it can be changed into a prime (13117849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12170 + ... + 13203.

It is an arithmetic number, because the mean of its divisors is an integer number (1826928).

Almost surely, 213117841 is an apocalyptic number.

13117841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13117841 is a deficient number, since it is larger than the sum of its proper divisors (1497583).

13117841 is a wasteful number, since it uses less digits than its factorization.

13117841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25431.

The product of its digits is 672, while the sum is 26.

The square root of 13117841 is about 3621.8560159123. The cubic root of 13117841 is about 235.8418036333.

Adding to 13117841 its reverse (14871131), we get a palindrome (27988972).

The spelling of 13117841 in words is "thirteen million, one hundred seventeen thousand, eight hundred forty-one".

Divisors: 1 11 47 517 25373 279103 1192531 13117841