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12299885 = 513189229
BaseRepresentation
bin101110111010…
…111001101101
3212010220021022
4232322321231
511122044020
61115343525
7206355503
oct56727155
925126238
1012299885
116a410a4
124151ba5
132718650
1418c2673
15112e625
hexbbae6d

12299885 has 8 divisors (see below), whose sum is σ = 15895320. Its totient is φ = 9082944.

The previous prime is 12299879. The next prime is 12299893. The reversal of 12299885 is 58899221.

It can be written as a sum of positive squares in 4 ways, for example, as 2979076 + 9320809 = 1726^2 + 3053^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12299885 - 218 = 12037741 is a prime.

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, 94550 + ... + 94679.

It is an arithmetic number, because the mean of its divisors is an integer number (1986915).

Almost surely, 212299885 is an apocalyptic number.

It is an amenable number.

12299885 is a deficient number, since it is larger than the sum of its proper divisors (3595435).

12299885 is a wasteful number, since it uses less digits than its factorization.

12299885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189247.

The product of its digits is 103680, while the sum is 44.

The square root of 12299885 is about 3507.1191881657. The cubic root of 12299885 is about 230.8343045686.

The spelling of 12299885 in words is "twelve million, two hundred ninety-nine thousand, eight hundred eighty-five".

Divisors: 1 5 13 65 189229 946145 2459977 12299885