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12741641 = 113493319
BaseRepresentation
bin110000100110…
…110000001001
3212222100020122
4300212300021
511230213031
61133033025
7213205433
oct60466011
925870218
1012741641
117212a90
124325775
132841743
141999653
1511ba47b
hexc26c09

12741641 has 8 divisors (see below), whose sum is σ = 13944000. Its totient is φ = 11546640.

The previous prime is 12741613. The next prime is 12741661. The reversal of 12741641 is 14614721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12741641 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 12741641.

It is not an unprimeable number, because it can be changed into a prime (12741661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2180 + ... + 5498.

It is an arithmetic number, because the mean of its divisors is an integer number (1743000).

Almost surely, 212741641 is an apocalyptic number.

12741641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12741641 is a deficient number, since it is larger than the sum of its proper divisors (1202359).

12741641 is a wasteful number, since it uses less digits than its factorization.

12741641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679.

The product of its digits is 1344, while the sum is 26.

The square root of 12741641 is about 3569.5435282400. The cubic root of 12741641 is about 233.5653716673.

Subtracting 12741641 from its reverse (14614721), we obtain a triangular number (1873080 = T1935).

The spelling of 12741641 in words is "twelve million, seven hundred forty-one thousand, six hundred forty-one".

Divisors: 1 11 349 3319 3839 36509 1158331 12741641