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12988829 = 77012647
BaseRepresentation
bin110001100011…
…000110011101
3220102220022202
4301203012131
511311120304
61142221245
7215255210
oct61430635
926386282
1012988829
117371777
124424825
1328ca0c9
141a21777
15121881e
hexc6319d

12988829 has 8 divisors (see below), whose sum is σ = 14871168. Its totient is φ = 11113200.

The previous prime is 12988819. The next prime is 12988831. The reversal of 12988829 is 92888921.

12988829 is digitally balanced in base 2, 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 not a de Polignac number, because 12988829 - 216 = 12923293 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 (12988819) 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, 3584 + ... + 6230.

It is an arithmetic number, because the mean of its divisors is an integer number (1858896).

Almost surely, 212988829 is an apocalyptic number.

It is an amenable number.

12988829 is a deficient number, since it is larger than the sum of its proper divisors (1882339).

12988829 is an equidigital number, since it uses as much as digits as its factorization.

12988829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355.

The product of its digits is 165888, while the sum is 47.

The square root of 12988829 is about 3604.0018035512. The cubic root of 12988829 is about 235.0660988051.

The spelling of 12988829 in words is "twelve million, nine hundred eighty-eight thousand, eight hundred twenty-nine".

Divisors: 1 7 701 2647 4907 18529 1855547 12988829