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13204169 = 112115689
BaseRepresentation
bin110010010111…
…101011001001
3220211211201022
4302113223021
511340013134
61151002225
7220143056
oct62275311
926754638
1013204169
1174a9540
124509375
132974124
141a7a02d
15125c52e
hexc97ac9

13204169 has 8 divisors (see below), whose sum is σ = 14475360. Its totient is φ = 11944800.

The previous prime is 13204157. The next prime is 13204199. The reversal of 13204169 is 96140231.

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

It is a cyclic number.

It is not a de Polignac number, because 13204169 - 28 = 13203913 is a prime.

It is a super-2 number, since 2×132041692 = 348700157961122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13204199) 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 7 ways as a sum of consecutive naturals, for example, 524 + ... + 5165.

It is an arithmetic number, because the mean of its divisors is an integer number (1809420).

Almost surely, 213204169 is an apocalyptic number.

It is an amenable number.

13204169 is a deficient number, since it is larger than the sum of its proper divisors (1271191).

13204169 is a wasteful number, since it uses less digits than its factorization.

13204169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 13204169 is about 3633.7541193647. The cubic root of 13204169 is about 236.3580281034.

The spelling of 13204169 in words is "thirteen million, two hundred four thousand, one hundred sixty-nine".

Divisors: 1 11 211 2321 5689 62579 1200379 13204169