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12698385 = 357120937
BaseRepresentation
bin110000011100…
…001100010001
3212220010220120
4300130030101
511222322020
61132100453
7212635350
oct60341421
925803816
1012698385
117193537
124304729
132827b4b
141987997
1511ac740
hexc1c311

12698385 has 16 divisors (see below), whose sum is σ = 23220096. Its totient is φ = 5804928.

The previous prime is 12698383. The next prime is 12698401. The reversal of 12698385 is 58389621.

It is not a de Polignac number, because 12698385 - 21 = 12698383 is a prime.

It is a super-2 number, since 2×126983852 = 322497963216450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12698383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60364 + ... + 60573.

It is an arithmetic number, because the mean of its divisors is an integer number (1451256).

Almost surely, 212698385 is an apocalyptic number.

12698385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12698385 is a deficient number, since it is larger than the sum of its proper divisors (10521711).

12698385 is a wasteful number, since it uses less digits than its factorization.

12698385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120952.

The product of its digits is 103680, while the sum is 42.

The square root of 12698385 is about 3563.4793390730. The cubic root of 12698385 is about 233.3007652957.

The spelling of 12698385 in words is "twelve million, six hundred ninety-eight thousand, three hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 105 120937 362811 604685 846559 1814055 2539677 4232795 12698385