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12872526 = 232145421
BaseRepresentation
bin110001000110…
…101101001110
3220012222210020
4301012231032
511243410101
61135523010
7214262142
oct61065516
926188706
1012872526
1172a2357
124389466
1328891a4
1419d1222
1511e4136
hexc46b4e

12872526 has 8 divisors (see below), whose sum is σ = 25745064. Its totient is φ = 4290840.

The previous prime is 12872507. The next prime is 12872569. The reversal of 12872526 is 62527821.

12872526 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 sphenic number, since it is the product of 3 distinct primes.

12872526 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072705 + ... + 1072716.

It is an arithmetic number, because the mean of its divisors is an integer number (3218133).

Almost surely, 212872526 is an apocalyptic number.

12872526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12872526 is a wasteful number, since it uses less digits than its factorization.

12872526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145426.

The product of its digits is 13440, while the sum is 33.

The square root of 12872526 is about 3587.8302635437. The cubic root of 12872526 is about 234.3623941309.

The spelling of 12872526 in words is "twelve million, eight hundred seventy-two thousand, five hundred twenty-six".

Divisors: 1 2 3 6 2145421 4290842 6436263 12872526