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12102341 = 16377393
BaseRepresentation
bin101110001010…
…101011000101
3211202212021212
4232022223011
511044233331
61111221205
7204603536
oct56125305
924685255
1012102341
116916739
124077805
132679764
14187068d
1510e0d2b
hexb8aac5

12102341 has 4 divisors (see below), whose sum is σ = 12111372. Its totient is φ = 12093312.

The previous prime is 12102331. The next prime is 12102371. The reversal of 12102341 is 14320121.

12102341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1020100 + 11082241 = 1010^2 + 3329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12102341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2060 + ... + 5333.

It is an arithmetic number, because the mean of its divisors is an integer number (3027843).

Almost surely, 212102341 is an apocalyptic number.

It is an amenable number.

12102341 is a deficient number, since it is larger than the sum of its proper divisors (9031).

12102341 is an equidigital number, since it uses as much as digits as its factorization.

12102341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9030.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12102341 is about 3478.8419050023. The cubic root of 12102341 is about 229.5918470175.

Adding to 12102341 its reverse (14320121), we get a palindrome (26422462).

The spelling of 12102341 in words is "twelve million, one hundred two thousand, three hundred forty-one".

Divisors: 1 1637 7393 12102341