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13030927 = 713143197
BaseRepresentation
bin110001101101…
…011000001111
3220112001001221
4301231120033
511313442202
61143144211
7215522020
oct61553017
926461057
1013030927
1173a0368
124445067
132913310
141a32c47
151226037
hexc6d60f

13030927 has 8 divisors (see below), whose sum is σ = 16038176. Its totient is φ = 10310112.

The previous prime is 13030921. The next prime is 13030931. The reversal of 13030927 is 72903031.

13030927 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13030927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030921) 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, 71508 + ... + 71689.

It is an arithmetic number, because the mean of its divisors is an integer number (2004772).

Almost surely, 213030927 is an apocalyptic number.

13030927 is a deficient number, since it is larger than the sum of its proper divisors (3007249).

13030927 is a wasteful number, since it uses less digits than its factorization.

13030927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143217.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 13030927 is about 3609.8375309701. The cubic root of 13030927 is about 235.3197819445.

Adding to 13030927 its reverse (72903031), we get a palindrome (85933958).

The spelling of 13030927 in words is "thirteen million, thirty thousand, nine hundred twenty-seven".

Divisors: 1 7 13 91 143197 1002379 1861561 13030927