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12741311 = 111158301
BaseRepresentation
bin110000100110…
…101010111111
3212222022210102
4300212222333
511230210221
61133031315
7213204452
oct60465277
925868712
1012741311
117212810
12432553b
13284154b
141999499
1511ba30b
hexc26abf

12741311 has 4 divisors (see below), whose sum is σ = 13899624. Its totient is φ = 11583000.

The previous prime is 12741299. The next prime is 12741317. The reversal of 12741311 is 11314721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12741311 - 218 = 12479167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12741317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579140 + ... + 579161.

It is an arithmetic number, because the mean of its divisors is an integer number (3474906).

Almost surely, 212741311 is an apocalyptic number.

12741311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12741311 is a deficient number, since it is larger than the sum of its proper divisors (1158313).

12741311 is a wasteful number, since it uses less digits than its factorization.

12741311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158312.

The product of its digits is 168, while the sum is 20.

The square root of 12741311 is about 3569.4973035429. The cubic root of 12741311 is about 233.5633552542.

The spelling of 12741311 in words is "twelve million, seven hundred forty-one thousand, three hundred eleven".

Divisors: 1 11 1158301 12741311