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12421098 = 2321936319
BaseRepresentation
bin101111011000…
…011111101010
3212101001112200
4233120133222
511134433343
61122121030
7210402054
oct57303752
925331480
1012421098
117014178
1241b0176
13275b881
1419148d4
1511554d3
hexbd87ea

12421098 has 24 divisors (see below), whose sum is σ = 28329600. Its totient is φ = 3922344.

The previous prime is 12421061. The next prime is 12421099. The reversal of 12421098 is 89012421.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12421099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17818 + ... + 18501.

It is an arithmetic number, because the mean of its divisors is an integer number (1180400).

Almost surely, 212421098 is an apocalyptic number.

12421098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12421098 is an abundant number, since it is smaller than the sum of its proper divisors (15908502).

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

12421098 is a wasteful number, since it uses less digits than its factorization.

12421098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36346 (or 36343 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 12421098 is about 3524.3578138435. The cubic root of 12421098 is about 231.5901031145.

The spelling of 12421098 in words is "twelve million, four hundred twenty-one thousand, ninety-eight".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 36319 72638 108957 217914 326871 653742 690061 1380122 2070183 4140366 6210549 12421098