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12792980 = 225679547
BaseRepresentation
bin110000110011…
…010010010100
3220001221200002
4300303102110
511233333410
61134110432
7213511214
oct60632224
926057602
1012792980
117248612
12434b418
13285bc15
1419b0244
1511ca7a5
hexc33494

12792980 has 24 divisors (see below), whose sum is σ = 27269088. Its totient is φ = 5040288.

The previous prime is 12792971. The next prime is 12793007. The reversal of 12792980 is 8929721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3434 + ... + 6113.

It is an arithmetic number, because the mean of its divisors is an integer number (1136212).

Almost surely, 212792980 is an apocalyptic number.

12792980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12792980 is an abundant number, since it is smaller than the sum of its proper divisors (14476108).

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

12792980 is a wasteful number, since it uses less digits than its factorization.

12792980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623 (or 9621 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 12792980 is about 3576.7275546231. The cubic root of 12792980 is about 233.8786474775.

The spelling of 12792980 in words is "twelve million, seven hundred ninety-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 9547 19094 38188 47735 95470 190940 639649 1279298 2558596 3198245 6396490 12792980