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13986635 = 513215179
BaseRepresentation
bin110101010110…
…101101001011
3222022121001112
4311112231023
512040033020
61215440535
7226612235
oct65265513
928277045
1013986635
117993403
12482614b
132b89320
141c01255
1513642c5
hexd56b4b

13986635 has 8 divisors (see below), whose sum is σ = 18075120. Its totient is φ = 10328544.

The previous prime is 13986619. The next prime is 13986649. The reversal of 13986635 is 53668931.

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 13986635 - 24 = 13986619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13986592 and 13986601.

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, 107525 + ... + 107654.

It is an arithmetic number, because the mean of its divisors is an integer number (2259390).

Almost surely, 213986635 is an apocalyptic number.

13986635 is a deficient number, since it is larger than the sum of its proper divisors (4088485).

13986635 is a wasteful number, since it uses less digits than its factorization.

13986635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215197.

The product of its digits is 116640, while the sum is 41.

The square root of 13986635 is about 3739.8709870796. The cubic root of 13986635 is about 240.9375078295.

The spelling of 13986635 in words is "thirteen million, nine hundred eighty-six thousand, six hundred thirty-five".

Divisors: 1 5 13 65 215179 1075895 2797327 13986635