Search a number
-
+
13697886 = 2317134293
BaseRepresentation
bin110100010000…
…001101011110
3221202220222010
4310100031132
512001313021
61205332050
7224300346
oct64201536
927686863
1013697886
117806474
124707026
132ab7a77
141b67d26
151308976
hexd1035e

13697886 has 16 divisors (see below), whose sum is σ = 29007504. Its totient is φ = 4297344.

The previous prime is 13697833. The next prime is 13697891. The reversal of 13697886 is 68879631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67045 + ... + 67248.

It is an arithmetic number, because the mean of its divisors is an integer number (1812969).

Almost surely, 213697886 is an apocalyptic number.

13697886 is an abundant number, since it is smaller than the sum of its proper divisors (15309618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13697886 is a wasteful number, since it uses less digits than its factorization.

13697886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134315.

The product of its digits is 435456, while the sum is 48.

The square root of 13697886 is about 3701.0655222517. The cubic root of 13697886 is about 239.2679429333.

The spelling of 13697886 in words is "thirteen million, six hundred ninety-seven thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 17 34 51 102 134293 268586 402879 805758 2282981 4565962 6848943 13697886