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13316913 = 33493219
BaseRepresentation
bin110010110011…
…001100110001
3221001120101000
4302303030301
511402120123
61153232213
7221122551
oct62631461
927046330
1013316913
117576215
124562669
1329b353c
141aa9161
151280b43
hexcb3331

13316913 has 8 divisors (see below), whose sum is σ = 19728800. Its totient is φ = 8877924.

The previous prime is 13316911. The next prime is 13316917. The reversal of 13316913 is 31961331.

13316913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13316913 - 21 = 13316911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 493219 = 13316913 / (1 + 3 + 3 + 1 + 6 + 9 + 1 + 3).

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13316911) 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, 246583 + ... + 246636.

It is an arithmetic number, because the mean of its divisors is an integer number (2466100).

Almost surely, 213316913 is an apocalyptic number.

It is an amenable number.

13316913 is a deficient number, since it is larger than the sum of its proper divisors (6411887).

13316913 is an equidigital number, since it uses as much as digits as its factorization.

13316913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493228 (or 493222 counting only the distinct ones).

The product of its digits is 1458, while the sum is 27.

The square root of 13316913 is about 3649.2345772778. The cubic root of 13316913 is about 237.0288380227.

The spelling of 13316913 in words is "thirteen million, three hundred sixteen thousand, nine hundred thirteen".

Divisors: 1 3 9 27 493219 1479657 4438971 13316913