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12112693 = 16374311
BaseRepresentation
bin101110001101…
…001100110101
3211210101111021
4232031030311
511100101233
61111341141
7204645655
oct56151465
924711437
1012112693
11692349a
1240817b1
132681398
141874365
1510e3e2d
hexb8d335

12112693 has 4 divisors (see below), whose sum is σ = 12187168. Its totient is φ = 12038220.

The previous prime is 12112679. The next prime is 12112703. The reversal of 12112693 is 39621121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39621121 = 63162791.

It is a cyclic number.

It is not a de Polignac number, because 12112693 - 29 = 12112181 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 (12112603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36993 + ... + 37318.

It is an arithmetic number, because the mean of its divisors is an integer number (3046792).

Almost surely, 212112693 is an apocalyptic number.

It is an amenable number.

12112693 is a deficient number, since it is larger than the sum of its proper divisors (74475).

12112693 is an equidigital number, since it uses as much as digits as its factorization.

12112693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74474.

The product of its digits is 648, while the sum is 25.

The square root of 12112693 is about 3480.3294384296. The cubic root of 12112693 is about 229.6572904844.

The spelling of 12112693 in words is "twelve million, one hundred twelve thousand, six hundred ninety-three".

Divisors: 1 163 74311 12112693