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13296687 = 34432229
BaseRepresentation
bin110010101110…
…010000101111
3221000112121220
4302232100233
511400443222
61152554423
7221006565
oct62562057
927015556
1013296687
117561aa8
124552a13
1329a7281
141aa1a35
151279b5c
hexcae42f

13296687 has 4 divisors (see below), whose sum is σ = 17728920. Its totient is φ = 8864456.

The previous prime is 13296649. The next prime is 13296697. The reversal of 13296687 is 78669231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13296687 - 27 = 13296559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13296617) 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 3 ways as a sum of consecutive naturals, for example, 2216112 + ... + 2216117.

It is an arithmetic number, because the mean of its divisors is an integer number (4432230).

Almost surely, 213296687 is an apocalyptic number.

13296687 is a deficient number, since it is larger than the sum of its proper divisors (4432233).

13296687 is an equidigital number, since it uses as much as digits as its factorization.

13296687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432232.

The product of its digits is 108864, while the sum is 42.

The square root of 13296687 is about 3646.4622581346. The cubic root of 13296687 is about 236.9087758011.

The spelling of 13296687 in words is "thirteen million, two hundred ninety-six thousand, six hundred eighty-seven".

Divisors: 1 3 4432229 13296687