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12135614 = 26067807
BaseRepresentation
bin101110010010…
…110010111110
3211211112221012
4232102302332
511101314424
61112035222
7205102541
oct56226276
924745835
1012135614
116939737
124092b12
13268b94a
14187c858
1510eab0e
hexb92cbe

12135614 has 4 divisors (see below), whose sum is σ = 18203424. Its totient is φ = 6067806.

The previous prime is 12135611. The next prime is 12135677. The reversal of 12135614 is 41653121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41653121 = 179232699.

It is a self number, because there is not a number n which added to its sum of digits gives 12135614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12135611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3033902 + ... + 3033905.

It is an arithmetic number, because the mean of its divisors is an integer number (4550856).

Almost surely, 212135614 is an apocalyptic number.

12135614 is a deficient number, since it is larger than the sum of its proper divisors (6067810).

12135614 is an equidigital number, since it uses as much as digits as its factorization.

12135614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6067809.

The product of its digits is 720, while the sum is 23.

The square root of 12135614 is about 3483.6208174829. The cubic root of 12135614 is about 229.8020603244.

Adding to 12135614 its reverse (41653121), we get a palindrome (53788735).

The spelling of 12135614 in words is "twelve million, one hundred thirty-five thousand, six hundred fourteen".

Divisors: 1 2 6067807 12135614