Search a number
-
+
12628477 = 47893019
BaseRepresentation
bin110000001011…
…000111111101
3212202121000101
4300023013331
511213102402
61130401101
7212224501
oct60130775
925677011
1012628477
117145a64
124290191
132802094
14196a301
151196b87
hexc0b1fd

12628477 has 8 divisors (see below), whose sum is σ = 13046400. Its totient is φ = 12216864.

The previous prime is 12628463. The next prime is 12628513. The reversal of 12628477 is 77482621.

12628477 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 12628477 - 27 = 12628349 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 (12628457) 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 7 ways as a sum of consecutive naturals, for example, 2674 + ... + 5692.

It is an arithmetic number, because the mean of its divisors is an integer number (1630800).

Almost surely, 212628477 is an apocalyptic number.

It is an amenable number.

12628477 is a deficient number, since it is larger than the sum of its proper divisors (417923).

12628477 is an equidigital number, since it uses as much as digits as its factorization.

12628477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155.

The product of its digits is 37632, while the sum is 37.

The square root of 12628477 is about 3553.6568489374. The cubic root of 12628477 is about 232.8718495629.

The spelling of 12628477 in words is "twelve million, six hundred twenty-eight thousand, four hundred seventy-seven".

Divisors: 1 47 89 3019 4183 141893 268691 12628477