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12743379 = 3311107401
BaseRepresentation
bin110000100111…
…001011010011
3212222102122000
4300213023103
511230242004
61133045043
7213213465
oct60471323
925872560
1012743379
117214320
124326783
13284247c
14199a135
1511bac39
hexc272d3

12743379 has 32 divisors (see below), whose sum is σ = 20839680. Its totient is φ = 7632000.

The previous prime is 12743359. The next prime is 12743389. The reversal of 12743379 is 97334721.

12743379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12743379 - 25 = 12743347 is a prime.

It is a super-3 number, since 3×127433793 (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12743309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31579 + ... + 31979.

It is an arithmetic number, because the mean of its divisors is an integer number (651240).

Almost surely, 212743379 is an apocalyptic number.

12743379 is a deficient number, since it is larger than the sum of its proper divisors (8096301).

12743379 is a wasteful number, since it uses less digits than its factorization.

12743379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 522 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 12743379 is about 3569.7869684338. The cubic root of 12743379 is about 233.5759908688.

The spelling of 12743379 in words is "twelve million, seven hundred forty-three thousand, three hundred seventy-nine".

Divisors: 1 3 9 11 27 33 99 107 297 321 401 963 1177 1203 2889 3531 3609 4411 10593 10827 13233 31779 39699 42907 119097 128721 386163 471977 1158489 1415931 4247793 12743379