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13097007 = 3271118899
BaseRepresentation
bin110001111101…
…100000101111
3220122101201100
4301331200233
511323101012
61144414143
7216215460
oct61754057
926571640
1013097007
117435a80
124477353
132937411
141a4cd67
15123a8dc
hexc7d82f

13097007 has 24 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 6803280.

The previous prime is 13096991. The next prime is 13097011. The reversal of 13097007 is 70079031.

13097007 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13097007 - 24 = 13096991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13097057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8757 + ... + 10142.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 213097007 is an apocalyptic number.

13097007 is a deficient number, since it is larger than the sum of its proper divisors (10490193).

13097007 is a wasteful number, since it uses less digits than its factorization.

13097007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18923 (or 18920 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 13097007 is about 3618.9787233417. The cubic root of 13097007 is about 235.7168813567.

The spelling of 13097007 in words is "thirteen million, ninety-seven thousand, seven".

Divisors: 1 3 7 9 11 21 33 63 77 99 231 693 18899 56697 132293 170091 207889 396879 623667 1190637 1455223 1871001 4365669 13097007