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12754872 = 23321313627
BaseRepresentation
bin110000101001…
…111110111000
3220000000101200
4300221332320
511231123442
61133214200
7213262134
oct60517670
926000350
1012754872
117221a19
124331360
132847780
1419a03c4
1511be34c
hexc29fb8

12754872 has 48 divisors (see below), whose sum is σ = 37204440. Its totient is φ = 3924288.

The previous prime is 12754849. The next prime is 12754877. The reversal of 12754872 is 27845721.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12754877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5878 + ... + 7749.

Almost surely, 212754872 is an apocalyptic number.

12754872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12754872 is an abundant number, since it is smaller than the sum of its proper divisors (24449568).

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

12754872 is a wasteful number, since it uses less digits than its factorization.

12754872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13652 (or 13645 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 12754872 is about 3571.3963655691. The cubic root of 12754872 is about 233.6461889494.

The spelling of 12754872 in words is "twelve million, seven hundred fifty-four thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 13627 27254 40881 54508 81762 109016 122643 163524 177151 245286 327048 354302 490572 531453 708604 981144 1062906 1417208 1594359 2125812 3188718 4251624 6377436 12754872