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12895030 = 251399277
BaseRepresentation
bin110001001100…
…001100110110
3220021010122201
4301030030312
511300120110
61140215114
7214414561
oct61141466
926233581
1012895030
117308255
12439a49a
1328964c5
1419d94d8
1511eab3a
hexc4c336

12895030 has 16 divisors (see below), whose sum is σ = 23380560. Its totient is φ = 5120352.

The previous prime is 12894991. The next prime is 12895031. The reversal of 12895030 is 3059821.

It is a self number, because there is not a number n which added to its sum of digits gives 12895030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12895031) by changing a digit.

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, 3249 + ... + 6028.

It is an arithmetic number, because the mean of its divisors is an integer number (1461285).

Almost surely, 212895030 is an apocalyptic number.

12895030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12895030 is a deficient number, since it is larger than the sum of its proper divisors (10485530).

12895030 is a wasteful number, since it uses less digits than its factorization.

12895030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9423.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 12895030 is about 3590.9650513476. The cubic root of 12895030 is about 234.4988869186.

The spelling of 12895030 in words is "twelve million, eight hundred ninety-five thousand, thirty".

Divisors: 1 2 5 10 139 278 695 1390 9277 18554 46385 92770 1289503 2579006 6447515 12895030