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12741774 = 2389107223
BaseRepresentation
bin110000100110…
…110010001110
3212222100102120
4300212302032
511230214044
61133033410
7213206013
oct60466216
925870376
1012741774
1172130a1
124325866
132841816
14199970a
1511ba519
hexc26c8e

12741774 has 32 divisors (see below), whose sum is σ = 26127360. Its totient is φ = 4141632.

The previous prime is 12741769. The next prime is 12741779. The reversal of 12741774 is 47714721.

It is an interprime number because it is at equal distance from previous prime (12741769) and next prime (12741779).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12741779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57027 + ... + 57249.

It is an arithmetic number, because the mean of its divisors is an integer number (816480).

Almost surely, 212741774 is an apocalyptic number.

12741774 is an abundant number, since it is smaller than the sum of its proper divisors (13385586).

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

12741774 is a wasteful number, since it uses less digits than its factorization.

12741774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424.

The product of its digits is 10976, while the sum is 33.

The square root of 12741774 is about 3569.5621580244. The cubic root of 12741774 is about 233.5661843331.

The spelling of 12741774 in words is "twelve million, seven hundred forty-one thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 89 107 178 214 223 267 321 446 534 642 669 1338 9523 19046 19847 23861 28569 39694 47722 57138 59541 71583 119082 143166 2123629 4247258 6370887 12741774