Search a number
-
+
13886965 = 521113163
BaseRepresentation
bin110100111110…
…010111110101
3222010112100001
4310332113311
512023340330
61213351301
7226015531
oct64762765
928115301
1013886965
117925534
124798531
132b52b51
141bb6bc1
1513449ca
hexd3e5f5

13886965 has 8 divisors (see below), whose sum is σ = 16744608. Its totient is φ = 11056080.

The previous prime is 13886933. The next prime is 13886981. The reversal of 13886965 is 56968831.

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

It is not a de Polignac number, because 13886965 - 25 = 13886933 is a prime.

It is a super-2 number, since 2×138869652 = 385695593822450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5527 + ... + 7636.

It is an arithmetic number, because the mean of its divisors is an integer number (2093076).

Almost surely, 213886965 is an apocalyptic number.

It is an amenable number.

13886965 is a deficient number, since it is larger than the sum of its proper divisors (2857643).

13886965 is a wasteful number, since it uses less digits than its factorization.

13886965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13379.

The product of its digits is 311040, while the sum is 46.

The square root of 13886965 is about 3726.5218367802. The cubic root of 13886965 is about 240.3638289604.

The spelling of 13886965 in words is "thirteen million, eight hundred eighty-six thousand, nine hundred sixty-five".

Divisors: 1 5 211 1055 13163 65815 2777393 13886965