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12825629 = 53241993
BaseRepresentation
bin110000111011…
…010000011101
3220010121110022
4300323100131
511240410004
61134521525
7214005335
oct60732035
926117408
1012825629
1172700a3
1243662a5
132870a3b
1419bc0c5
1511d52be
hexc3b41d

12825629 has 4 divisors (see below), whose sum is σ = 13067676. Its totient is φ = 12583584.

The previous prime is 12825623. The next prime is 12825647. The reversal of 12825629 is 92652821.

It is a happy number.

12825629 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3523129 + 9302500 = 1877^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 12825629 - 212 = 12821533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12825623) 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, 120944 + ... + 121049.

It is an arithmetic number, because the mean of its divisors is an integer number (3266919).

Almost surely, 212825629 is an apocalyptic number.

It is an amenable number.

12825629 is a deficient number, since it is larger than the sum of its proper divisors (242047).

12825629 is an equidigital number, since it uses as much as digits as its factorization.

12825629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242046.

The product of its digits is 17280, while the sum is 35.

The square root of 12825629 is about 3581.2887345200. The cubic root of 12825629 is about 234.0774392441.

The spelling of 12825629 in words is "twelve million, eight hundred twenty-five thousand, six hundred twenty-nine".

Divisors: 1 53 241993 12825629