12134393 has 4 divisors (see below), whose sum is σ = 12204708. Its totient is φ = 12064080.

The previous prime is 12134389. The next prime is 12134417. The reversal of 12134393 is 39343121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9935104 + 2199289 = 3152^2 + 1483^2 .

It is a cyclic number.

It is not a de Polignac number, because 12134393 - 2² = 12134389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12134323) 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, 34898 + ... + 35243.

It is an arithmetic number, because the mean of its divisors is an integer number (3051177).

Almost surely, 2^12134393 is an apocalyptic number.

It is an amenable number.

12134393 is a deficient number, since it is larger than the sum of its proper divisors (70315).

12134393 is an equidigital number, since it uses as much as digits as its factorization.

12134393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70314.

The product of its digits is 1944, while the sum is 26.

The square root of 12134393 is about 3483.4455643802. The cubic root of 12134393 is about 229.7943530443.

The spelling of 12134393 in words is "twelve million, one hundred thirty-four thousand, three hundred ninety-three".