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13797087 = 318125409
BaseRepresentation
bin110100101000…
…011011011111
3221221222001020
4310220123133
512013001322
61211415223
7225162513
oct64503337
927858036
1013797087
117873a57
124754513
132b20c75
141b92143
15132805c
hexd286df

13797087 has 8 divisors (see below), whose sum is σ = 18498480. Its totient is φ = 9146880.

The previous prime is 13797071. The next prime is 13797089. The reversal of 13797087 is 78079731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13797087 - 24 = 13797071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13797089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12162 + ... + 13247.

It is an arithmetic number, because the mean of its divisors is an integer number (2312310).

Almost surely, 213797087 is an apocalyptic number.

13797087 is a deficient number, since it is larger than the sum of its proper divisors (4701393).

13797087 is a wasteful number, since it uses less digits than its factorization.

13797087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25593.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 13797087 is about 3714.4430268884. The cubic root of 13797087 is about 239.8441522920.

The spelling of 13797087 in words is "thirteen million, seven hundred ninety-seven thousand, eighty-seven".

Divisors: 1 3 181 543 25409 76227 4599029 13797087