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13797047 = 111789829
BaseRepresentation
bin110100101000…
…011010110111
3221221221222202
4310220122313
512013001142
61211415115
7225162425
oct64503267
927857882
1013797047
117873a20
12475449b
132b20c44
141b92115
151328032
hexd286b7

13797047 has 16 divisors (see below), whose sum is σ = 16135200. Its totient is φ = 11658240.

The previous prime is 13797031. The next prime is 13797061. The reversal of 13797047 is 74079731.

It is not a de Polignac number, because 13797047 - 24 = 13797031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13797047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13797247) 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 15 ways as a sum of consecutive naturals, for example, 16229 + ... + 17057.

It is an arithmetic number, because the mean of its divisors is an integer number (1008450).

Almost surely, 213797047 is an apocalyptic number.

13797047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13797047 is a deficient number, since it is larger than the sum of its proper divisors (2338153).

13797047 is a wasteful number, since it uses less digits than its factorization.

13797047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 13797047 is about 3714.4376424972. The cubic root of 13797047 is about 239.8439205094.

The spelling of 13797047 in words is "thirteen million, seven hundred ninety-seven thousand, forty-seven".

Divisors: 1 11 17 89 187 829 979 1513 9119 14093 16643 73781 155023 811591 1254277 13797047