Search a number
-
+
12423859 = 75992963
BaseRepresentation
bin101111011001…
…001010110011
3212101012022221
4233121022303
511140030414
61122141511
7210413110
oct57311263
925335287
1012423859
117016258
1241b1897
13275cbc6
141915907
151156224
hexbd92b3

12423859 has 8 divisors (see below), whose sum is σ = 14227200. Its totient is φ = 10627656.

The previous prime is 12423847. The next prime is 12423869. The reversal of 12423859 is 95832421.

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 12423859 - 27 = 12423731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12423869) 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, 2712 + ... + 5674.

It is an arithmetic number, because the mean of its divisors is an integer number (1778400).

Almost surely, 212423859 is an apocalyptic number.

12423859 is a deficient number, since it is larger than the sum of its proper divisors (1803341).

12423859 is an equidigital number, since it uses as much as digits as its factorization.

12423859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569.

The product of its digits is 17280, while the sum is 34.

The square root of 12423859 is about 3524.7494946450. The cubic root of 12423859 is about 231.6072613642.

The spelling of 12423859 in words is "twelve million, four hundred twenty-three thousand, eight hundred fifty-nine".

Divisors: 1 7 599 2963 4193 20741 1774837 12423859