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11712884 = 2219115331
BaseRepresentation
bin101100101011…
…100101110100
3211001002001112
4230223211310
510444303014
61055014152
7201362231
oct54534564
924032045
1011712884
116680077
123b0a358
132571401
1417ac788
15106573e
hexb2b974

11712884 has 12 divisors (see below), whose sum is σ = 20606208. Its totient is φ = 5825400.

The previous prime is 11712871. The next prime is 11712887. The reversal of 11712884 is 48821711.

It is a self number, because there is not a number n which added to its sum of digits gives 11712884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11712887) 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 3 ways as a sum of consecutive naturals, for example, 6902 + ... + 8429.

It is an arithmetic number, because the mean of its divisors is an integer number (1717184).

Almost surely, 211712884 is an apocalyptic number.

It is an amenable number.

11712884 is a deficient number, since it is larger than the sum of its proper divisors (8893324).

11712884 is a wasteful number, since it uses less digits than its factorization.

11712884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15526 (or 15524 counting only the distinct ones).

The product of its digits is 3584, while the sum is 32.

The square root of 11712884 is about 3422.4090930220. The cubic root of 11712884 is about 227.1021682962.

The spelling of 11712884 in words is "eleven million, seven hundred twelve thousand, eight hundred eighty-four".

Divisors: 1 2 4 191 382 764 15331 30662 61324 2928221 5856442 11712884