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12874270 = 251775731
BaseRepresentation
bin110001000111…
…001000011110
3220020002011211
4301013020132
511243434040
61135535034
7214300213
oct61071036
926202154
1012874270
1172a36a2
12438a47a
132889c16
1419d1b0a
1511e48ea
hexc4721e

12874270 has 16 divisors (see below), whose sum is σ = 24537168. Its totient is φ = 4846720.

The previous prime is 12874259. The next prime is 12874291. The reversal of 12874270 is 7247821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37696 + ... + 38035.

It is an arithmetic number, because the mean of its divisors is an integer number (1533573).

Almost surely, 212874270 is an apocalyptic number.

12874270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12874270 is a deficient number, since it is larger than the sum of its proper divisors (11662898).

12874270 is a wasteful number, since it uses less digits than its factorization.

12874270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75755.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 12874270 is about 3588.0732991398. The cubic root of 12874270 is about 234.3729776418.

The spelling of 12874270 in words is "twelve million, eight hundred seventy-four thousand, two hundred seventy".

Divisors: 1 2 5 10 17 34 85 170 75731 151462 378655 757310 1287427 2574854 6437135 12874270