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12683013 = 372192239
BaseRepresentation
bin110000011000…
…011100000101
3212212100211020
4300120130011
511221324023
61131501353
7212542500
oct60303405
925770736
1012683013
117182a32
1242b7859
132820b55
141982137
1511a7de3
hexc18705

12683013 has 36 divisors (see below), whose sum is σ = 20848320. Its totient is φ = 6837264.

The previous prime is 12682991. The next prime is 12683023. The reversal of 12683013 is 31038621.

It is not a de Polignac number, because 12683013 - 26 = 12682949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12683023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52948 + ... + 53186.

It is an arithmetic number, because the mean of its divisors is an integer number (579120).

Almost surely, 212683013 is an apocalyptic number.

It is an amenable number.

12683013 is a deficient number, since it is larger than the sum of its proper divisors (8165307).

12683013 is a wasteful number, since it uses less digits than its factorization.

12683013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12683013 is about 3561.3218051729. The cubic root of 12683013 is about 233.2065867193.

The spelling of 12683013 in words is "twelve million, six hundred eighty-three thousand, thirteen".

Divisors: 1 3 7 19 21 49 57 133 147 239 361 399 717 931 1083 1673 2527 2793 4541 5019 7581 11711 13623 17689 31787 35133 53067 86279 95361 222509 258837 603953 667527 1811859 4227671 12683013