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12540341 = 1110910459
BaseRepresentation
bin101111110101…
…100110110101
3212121010010002
4233311212311
511202242331
61124441045
7211406522
oct57654665
925533102
1012540341
117095820
124249185
1327a0c28
141946149
15117a9cb
hexbf59b5

12540341 has 8 divisors (see below), whose sum is σ = 13807200. Its totient is φ = 11294640.

The previous prime is 12540331. The next prime is 12540347. The reversal of 12540341 is 14304521.

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-12540341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12540347) 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, 4031 + ... + 6428.

It is an arithmetic number, because the mean of its divisors is an integer number (1725900).

Almost surely, 212540341 is an apocalyptic number.

12540341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12540341 is a deficient number, since it is larger than the sum of its proper divisors (1266859).

12540341 is a wasteful number, since it uses less digits than its factorization.

12540341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10579.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12540341 is about 3541.2343893055. The cubic root of 12540341 is about 232.3288353652.

Adding to 12540341 its reverse (14304521), we get a palindrome (26844862).

The spelling of 12540341 in words is "twelve million, five hundred forty thousand, three hundred forty-one".

Divisors: 1 11 109 1199 10459 115049 1140031 12540341