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12240588 = 2231020049
BaseRepresentation
bin101110101100…
…011011001100
3212000212221010
4232230123030
511113144323
61114205220
7206020563
oct56543314
925025833
1012240588
116a00598
124123810
1326c7669
1418a8bda
15111bc93
hexbac6cc

12240588 has 12 divisors (see below), whose sum is σ = 28561400. Its totient is φ = 4080192.

The previous prime is 12240587. The next prime is 12240589. The reversal of 12240588 is 88504221.

It is an interprime number because it is at equal distance from previous prime (12240587) and next prime (12240589).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (12240583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510013 + ... + 510036.

Almost surely, 212240588 is an apocalyptic number.

It is an amenable number.

12240588 is an abundant number, since it is smaller than the sum of its proper divisors (16320812).

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

12240588 is a wasteful number, since it uses less digits than its factorization.

12240588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020056 (or 1020054 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 12240588 is about 3498.6551702047. The cubic root of 12240588 is about 230.4627608008.

The spelling of 12240588 in words is "twelve million, two hundred forty thousand, five hundred eighty-eight".

Divisors: 1 2 3 4 6 12 1020049 2040098 3060147 4080196 6120294 12240588