12134505 has 16 divisors (see below), whose sum is σ = 19589760. Its totient is φ = 6413568.

The previous prime is 12134497. The next prime is 12134513. The reversal of 12134505 is 50543121.

It is an interprime number because it is at equal distance from previous prime (12134497) and next prime (12134513).

It is not a de Polignac number, because 12134505 - 2³ = 12134497 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1885 + ... + 5274.

It is an arithmetic number, because the mean of its divisors is an integer number (1224360).

Almost surely, 2^12134505 is an apocalyptic number.

12134505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12134505 is a deficient number, since it is larger than the sum of its proper divisors (7455255).

12134505 is a wasteful number, since it uses less digits than its factorization.

12134505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12134505 is about 3483.4616403802. The cubic root of 12134505 is about 229.7950600400.

Adding to 12134505 its reverse (50543121), we get a palindrome (62677626).

The spelling of 12134505 in words is "twelve million, one hundred thirty-four thousand, five hundred five".