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13697916 = 2236118713
BaseRepresentation
bin110100010000…
…001101111100
3221202221000020
4310100031330
512001313131
61205332140
7224300421
oct64201574
927687006
1013697916
1178064a1
124707050
132ab7a9b
141b67d48
151308996
hexd1037c

13697916 has 24 divisors (see below), whose sum is σ = 32487504. Its totient is φ = 4490880.

The previous prime is 13697911. The next prime is 13697933. The reversal of 13697916 is 61979631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13697911) by changing a digit.

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, 8625 + ... + 10088.

It is an arithmetic number, because the mean of its divisors is an integer number (1353646).

Almost surely, 213697916 is an apocalyptic number.

It is an amenable number.

13697916 is an abundant number, since it is smaller than the sum of its proper divisors (18789588).

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

13697916 is a wasteful number, since it uses less digits than its factorization.

13697916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18781 (or 18779 counting only the distinct ones).

The product of its digits is 61236, while the sum is 42.

The square root of 13697916 is about 3701.0695751364. The cubic root of 13697916 is about 239.2681176083.

The spelling of 13697916 in words is "thirteen million, six hundred ninety-seven thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 18713 37426 56139 74852 112278 224556 1141493 2282986 3424479 4565972 6848958 13697916