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12240635 = 511222557
BaseRepresentation
bin101110101100…
…011011111011
3212000212222212
4232230123323
511113200020
61114205335
7206020661
oct56543373
925025885
1012240635
116a00630
12412384b
1326c76a4
1418a8c31
15111bcc5
hexbac6fb

12240635 has 8 divisors (see below), whose sum is σ = 16024176. Its totient is φ = 8902240.

The previous prime is 12240607. The next prime is 12240643. The reversal of 12240635 is 53604221.

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

It is not a de Polignac number, because 12240635 - 28 = 12240379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12240635.

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, 111224 + ... + 111333.

It is an arithmetic number, because the mean of its divisors is an integer number (2003022).

Almost surely, 212240635 is an apocalyptic number.

12240635 is a deficient number, since it is larger than the sum of its proper divisors (3783541).

12240635 is a wasteful number, since it uses less digits than its factorization.

12240635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222573.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12240635 is about 3498.6618870648. The cubic root of 12240635 is about 230.4630557685.

Adding to 12240635 its reverse (53604221), we get a palindrome (65844856).

The spelling of 12240635 in words is "twelve million, two hundred forty thousand, six hundred thirty-five".

Divisors: 1 5 11 55 222557 1112785 2448127 12240635