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12880510 = 251288051
BaseRepresentation
bin110001001000…
…101001111110
3220020101201221
4301020221332
511244134020
61140023554
7214324336
oct61105176
926211657
1012880510
1172a8355
124391bba
13288ca06
1419d40c6
1511e66aa
hexc48a7e

12880510 has 8 divisors (see below), whose sum is σ = 23184936. Its totient is φ = 5152200.

The previous prime is 12880501. The next prime is 12880513. The reversal of 12880510 is 1508821.

12880510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12880513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644016 + ... + 644035.

It is an arithmetic number, because the mean of its divisors is an integer number (2898117).

Almost surely, 212880510 is an apocalyptic number.

12880510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12880510 is a deficient number, since it is larger than the sum of its proper divisors (10304426).

12880510 is a wasteful number, since it uses less digits than its factorization.

12880510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288058.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 12880510 is about 3588.9427412540. The cubic root of 12880510 is about 234.4108374237.

The spelling of 12880510 in words is "twelve million, eight hundred eighty thousand, five hundred ten".

Divisors: 1 2 5 10 1288051 2576102 6440255 12880510