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13696880 = 245313547
BaseRepresentation
bin110100001111…
…111101110000
3221202212120212
4310033331300
512001300010
61205323252
7224264411
oct64177560
927685525
1013696880
11780573a
124706528
132ab7482
141b67808
151308505
hexd0ff70

13696880 has 40 divisors (see below), whose sum is σ = 32005392. Its totient is φ = 5451264.

The previous prime is 13696873. The next prime is 13696931. The reversal of 13696880 is 8869631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 24767 + ... + 25313.

Almost surely, 213696880 is an apocalyptic number.

13696880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13696880 is an abundant number, since it is smaller than the sum of its proper divisors (18308512).

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

13696880 is a wasteful number, since it uses less digits than its factorization.

13696880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 13696880 is about 3700.9296129486. The cubic root of 13696880 is about 239.2620853520.

The spelling of 13696880 in words is "thirteen million, six hundred ninety-six thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 313 547 626 1094 1252 1565 2188 2504 2735 3130 4376 5008 5470 6260 8752 10940 12520 21880 25040 43760 171211 342422 684844 856055 1369688 1712110 2739376 3424220 6848440 13696880