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12855054 = 235933613
BaseRepresentation
bin110001000010…
…011100001110
3220012002211010
4301002130032
511242330204
61135310050
7214160202
oct61023416
926162733
1012855054
117290213
12437b326
132881254
1419c8b02
1511ddd89
hexc4270e

12855054 has 16 divisors (see below), whose sum is σ = 25760592. Its totient is φ = 4276608.

The previous prime is 12855053. The next prime is 12855061. The reversal of 12855054 is 45055821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12855053) 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, 1752 + ... + 5364.

It is an arithmetic number, because the mean of its divisors is an integer number (1610037).

Almost surely, 212855054 is an apocalyptic number.

12855054 is an abundant number, since it is smaller than the sum of its proper divisors (12905538).

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

12855054 is a wasteful number, since it uses less digits than its factorization.

12855054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 12855054 is about 3585.3945389594. The cubic root of 12855054 is about 234.2563120308.

The spelling of 12855054 in words is "twelve million, eight hundred fifty-five thousand, fifty-four".

Divisors: 1 2 3 6 593 1186 1779 3558 3613 7226 10839 21678 2142509 4285018 6427527 12855054