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12395141 = 111126831
BaseRepresentation
bin101111010010…
…001010000101
3212022201221022
4233102022011
511133121031
61121400525
7210233303
oct57221205
925281838
1012395141
116aa6720
124199145
13274cb05
141909273
15114c97b
hexbd2285

12395141 has 4 divisors (see below), whose sum is σ = 13521984. Its totient is φ = 11268300.

The previous prime is 12395099. The next prime is 12395147. The reversal of 12395141 is 14159321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12395141 - 26 = 12395077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12395141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12395147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563405 + ... + 563426.

It is an arithmetic number, because the mean of its divisors is an integer number (3380496).

Almost surely, 212395141 is an apocalyptic number.

12395141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12395141 is a deficient number, since it is larger than the sum of its proper divisors (1126843).

12395141 is a wasteful number, since it uses less digits than its factorization.

12395141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126842.

The product of its digits is 1080, while the sum is 26.

The square root of 12395141 is about 3520.6733730921. The cubic root of 12395141 is about 231.4286687388.

The spelling of 12395141 in words is "twelve million, three hundred ninety-five thousand, one hundred forty-one".

Divisors: 1 11 1126831 12395141