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12895190 = 2571116747
BaseRepresentation
bin110001001100…
…001111010110
3220021010212122
4301030033112
511300121230
61140215542
7214415210
oct61141726
926233778
1012895190
117308390
12439a5b2
1328965b9
1419d95b0
1511eabe5
hexc4c3d6

12895190 has 32 divisors (see below), whose sum is σ = 28940544. Its totient is φ = 4019040.

The previous prime is 12895177. The next prime is 12895193. The reversal of 12895190 is 9159821.

12895190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×128951902 = 332571850272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 12895190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12895193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7604 + ... + 9143.

It is an arithmetic number, because the mean of its divisors is an integer number (904392).

Almost surely, 212895190 is an apocalyptic number.

12895190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12895190 is an abundant number, since it is smaller than the sum of its proper divisors (16045354).

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

12895190 is a wasteful number, since it uses less digits than its factorization.

12895190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16772.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 12895190 is about 3590.9873294123. The cubic root of 12895190 is about 234.4998567927.

The spelling of 12895190 in words is "twelve million, eight hundred ninety-five thousand, one hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 16747 33494 83735 117229 167470 184217 234458 368434 586145 921085 1172290 1289519 1842170 2579038 6447595 12895190