Search a number
-
+
12631446 = 2323122637
BaseRepresentation
bin110000001011…
…110110010110
3212202202002100
4300023312112
511213201241
61130422530
7212236242
oct60136626
925682070
1012631446
117148213
124291a46
132803539
14196b422
1511979b6
hexc0bd96

12631446 has 24 divisors (see below), whose sum is σ = 28252224. Its totient is φ = 4074480.

The previous prime is 12631429. The next prime is 12631471. The reversal of 12631446 is 64413621.

12631446 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10761 + ... + 11876.

It is an arithmetic number, because the mean of its divisors is an integer number (1177176).

Almost surely, 212631446 is an apocalyptic number.

12631446 is an abundant number, since it is smaller than the sum of its proper divisors (15620778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12631446 is a wasteful number, since it uses less digits than its factorization.

12631446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22676 (or 22673 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12631446 is about 3554.0745630895. The cubic root of 12631446 is about 232.8900978004.

The spelling of 12631446 in words is "twelve million, six hundred thirty-one thousand, four hundred forty-six".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 22637 45274 67911 135822 203733 407466 701747 1403494 2105241 4210482 6315723 12631446