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12287343 = 338910529
BaseRepresentation
bin101110110111…
…110101101111
3212010021001210
4232313311233
511121143333
61115205503
7206304105
oct56676557
925107053
1012287343
116a32732
124146893
132712a23
1418bbc75
15112aa63
hexbb7d6f

12287343 has 8 divisors (see below), whose sum is σ = 16426800. Its totient is φ = 8169728.

The previous prime is 12287333. The next prime is 12287347. The reversal of 12287343 is 34378221.

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

It is a cyclic number.

It is not a de Polignac number, because 12287343 - 212 = 12283247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12287343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12287347) 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, 4098 + ... + 6431.

It is an arithmetic number, because the mean of its divisors is an integer number (2053350).

Almost surely, 212287343 is an apocalyptic number.

12287343 is a deficient number, since it is larger than the sum of its proper divisors (4139457).

12287343 is a wasteful number, since it uses less digits than its factorization.

12287343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10921.

The product of its digits is 8064, while the sum is 30.

The square root of 12287343 is about 3505.3306548741. The cubic root of 12287343 is about 230.7558185111.

The spelling of 12287343 in words is "twelve million, two hundred eighty-seven thousand, three hundred forty-three".

Divisors: 1 3 389 1167 10529 31587 4095781 12287343