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12980130 = 235735927
BaseRepresentation
bin110001100000…
…111110100010
3220102110101120
4301200332202
511310331010
61142113110
7215220642
oct61407642
926373346
1012980130
117366189
12441b796
1328c6167
141a1c522
151215e70
hexc60fa2

12980130 has 32 divisors (see below), whose sum is σ = 31584384. Its totient is φ = 3413376.

The previous prime is 12980117. The next prime is 12980137. The reversal of 12980130 is 3108921.

It is a self number, because there is not a number n which added to its sum of digits gives 12980130.

It is not an unprimeable number, because it can be changed into a prime (12980137) 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 15 ways as a sum of consecutive naturals, for example, 774 + ... + 5153.

It is an arithmetic number, because the mean of its divisors is an integer number (987012).

Almost surely, 212980130 is an apocalyptic number.

12980130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12980130 is an abundant number, since it is smaller than the sum of its proper divisors (18604254).

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

12980130 is a wasteful number, since it uses less digits than its factorization.

12980130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 12980130 is about 3602.7947485251. The cubic root of 12980130 is about 235.0136101971.

The spelling of 12980130 in words is "twelve million, nine hundred eighty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 5927 11854 17781 29635 35562 59270 88905 177810 432671 865342 1298013 2163355 2596026 4326710 6490065 12980130