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13708917 = 325692677
BaseRepresentation
bin110100010010…
…111001110101
3221210111002200
4310102321311
512002141132
61205455113
7224344455
oct64227165
927714080
1013708917
117813792
124711499
132abcab1
141b6bd65
15130bd7c
hexd12e75

13708917 has 12 divisors (see below), whose sum is σ = 19843980. Its totient is φ = 9119808.

The previous prime is 13708901. The next prime is 13708921. The reversal of 13708917 is 71980731.

13708917 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1028196 + 12680721 = 1014^2 + 3561^2 .

It is not a de Polignac number, because 13708917 - 24 = 13708901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13708997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3783 + ... + 6459.

It is an arithmetic number, because the mean of its divisors is an integer number (1653665).

Almost surely, 213708917 is an apocalyptic number.

It is an amenable number.

13708917 is a deficient number, since it is larger than the sum of its proper divisors (6135063).

13708917 is a wasteful number, since it uses less digits than its factorization.

13708917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252 (or 3249 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 13708917 is about 3702.5554688620. Note that the first 3 decimals coincide. The cubic root of 13708917 is about 239.3321537295.

The spelling of 13708917 in words is "thirteen million, seven hundred eight thousand, nine hundred seventeen".

Divisors: 1 3 9 569 1707 2677 5121 8031 24093 1523213 4569639 13708917