Search a number
-
+
12633429 = 34211143
BaseRepresentation
bin110000001100…
…010101010101
3212202211210210
4300030111111
511213232204
61130440033
7212245104
oct60142525
925684723
1012633429
117149756
124293019
132804403
14196c03b
151198389
hexc0c555

12633429 has 4 divisors (see below), whose sum is σ = 16844576. Its totient is φ = 8422284.

The previous prime is 12633419. The next prime is 12633433. The reversal of 12633429 is 92433621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12633429 - 212 = 12629333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12633396 and 12633405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12633409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105569 + ... + 2105574.

It is an arithmetic number, because the mean of its divisors is an integer number (4211144).

Almost surely, 212633429 is an apocalyptic number.

It is an amenable number.

12633429 is a deficient number, since it is larger than the sum of its proper divisors (4211147).

12633429 is an equidigital number, since it uses as much as digits as its factorization.

12633429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211146.

The product of its digits is 7776, while the sum is 30.

The square root of 12633429 is about 3554.3535277178. The cubic root of 12633429 is about 232.9022842357.

The spelling of 12633429 in words is "twelve million, six hundred thirty-three thousand, four hundred twenty-nine".

Divisors: 1 3 4211143 12633429