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12887877 = 337116107
BaseRepresentation
bin110001001010…
…011101000101
3220020202211210
4301022131011
511244403002
61140122033
7214354662
oct61123505
926222753
1012887877
117302942
124396319
132893182
1419d6a69
1511e896c
hexc4a745

12887877 has 8 divisors (see below), whose sum is σ = 17648416. Its totient is φ = 8359632.

The previous prime is 12887873. The next prime is 12887893. The reversal of 12887877 is 77878821.

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

It is not a de Polignac number, because 12887877 - 22 = 12887873 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12887873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57943 + ... + 58164.

It is an arithmetic number, because the mean of its divisors is an integer number (2206052).

Almost surely, 212887877 is an apocalyptic number.

It is an amenable number.

12887877 is a deficient number, since it is larger than the sum of its proper divisors (4760539).

12887877 is a wasteful number, since it uses less digits than its factorization.

12887877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116147.

The product of its digits is 351232, while the sum is 48.

The square root of 12887877 is about 3589.9689413698. The cubic root of 12887877 is about 234.4555192856.

The spelling of 12887877 in words is "twelve million, eight hundred eighty-seven thousand, eight hundred seventy-seven".

Divisors: 1 3 37 111 116107 348321 4295959 12887877