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13087276 = 2219237487
BaseRepresentation
bin110001111011…
…001000101100
3220121220100221
4301323020230
511322243101
61144301124
7216145216
oct61731054
926556327
1013087276
117429734
1244717a4
132932b67
141a495b6
151237aa1
hexc7b22c

13087276 has 24 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 5928912.

The previous prime is 13087259. The next prime is 13087279. The reversal of 13087276 is 67278031.

13087276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13087279) 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, 1996 + ... + 5491.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 213087276 is an apocalyptic number.

It is an amenable number.

13087276 is a deficient number, since it is larger than the sum of its proper divisors (12072404).

13087276 is a wasteful number, since it uses less digits than its factorization.

13087276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7533 (or 7531 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 13087276 is about 3617.6340334534. The cubic root of 13087276 is about 235.6584881352.

The spelling of 13087276 in words is "thirteen million, eighty-seven thousand, two hundred seventy-six".

Divisors: 1 2 4 19 23 38 46 76 92 437 874 1748 7487 14974 29948 142253 172201 284506 344402 569012 688804 3271819 6543638 13087276