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12468980 = 2252832203
BaseRepresentation
bin101111100100…
…001011110100
3212110111020002
4233210023310
511143001410
61123130432
7210661466
oct57441364
925414202
1012468980
117047147
124213a18
1327775c4
141928136
1511647a5
hexbe42f4

12468980 has 24 divisors (see below), whose sum is σ = 26289312. Its totient is φ = 4967712.

The previous prime is 12468979. The next prime is 12469003. The reversal of 12468980 is 8986421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4559 + ... + 6761.

It is an arithmetic number, because the mean of its divisors is an integer number (1095388).

Almost surely, 212468980 is an apocalyptic number.

12468980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12468980 is an abundant number, since it is smaller than the sum of its proper divisors (13820332).

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

12468980 is a wasteful number, since it uses less digits than its factorization.

12468980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 2493 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 12468980 is about 3531.1442904532. The cubic root of 12468980 is about 231.8873065445.

The spelling of 12468980 in words is "twelve million, four hundred sixty-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 283 566 1132 1415 2203 2830 4406 5660 8812 11015 22030 44060 623449 1246898 2493796 3117245 6234490 12468980