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12134351 = 83146197
BaseRepresentation
bin101110010010…
…011111001111
3211211111012102
4232102133033
511101244401
61112025315
7205066055
oct56223717
924744172
1012134351
116938799
12409223b
13268b1b8
14187c1d5
1510ea56b
hexb927cf

12134351 has 4 divisors (see below), whose sum is σ = 12280632. Its totient is φ = 11988072.

The previous prime is 12134347. The next prime is 12134371. The reversal of 12134351 is 15343121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15343121 = 106114461.

It is a cyclic number.

It is not a de Polignac number, because 12134351 - 22 = 12134347 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 (12134341) 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, 73016 + ... + 73181.

It is an arithmetic number, because the mean of its divisors is an integer number (3070158).

Almost surely, 212134351 is an apocalyptic number.

12134351 is a deficient number, since it is larger than the sum of its proper divisors (146281).

12134351 is an equidigital number, since it uses as much as digits as its factorization.

12134351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146280.

The product of its digits is 360, while the sum is 20.

The square root of 12134351 is about 3483.4395358611. The cubic root of 12134351 is about 229.7940879198.

Adding to 12134351 its reverse (15343121), we get a palindrome (27477472).

The spelling of 12134351 in words is "twelve million, one hundred thirty-four thousand, three hundred fifty-one".

Divisors: 1 83 146197 12134351