12134419 has 4 divisors (see below), whose sum is σ = 13237560. Its totient is φ = 11031280.

The previous prime is 12134417. The next prime is 12134429. The reversal of 12134419 is 91443121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12134419 - 2¹ = 12134417 is a prime.

It is a super-2 number, since 2×12134419² = 294488248935122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12134393 and 12134402.

It is not an unprimeable number, because it can be changed into a prime (12134417) 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, 551554 + ... + 551575.

It is an arithmetic number, because the mean of its divisors is an integer number (3309390).

Almost surely, 2^12134419 is an apocalyptic number.

12134419 is a deficient number, since it is larger than the sum of its proper divisors (1103141).

12134419 is a wasteful number, since it uses less digits than its factorization.

12134419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103140.

The product of its digits is 864, while the sum is 25.

The square root of 12134419 is about 3483.4492963154. The cubic root of 12134419 is about 229.7945171687.

It can be divided in two parts, 12 and 134419, that added together give a palindrome (134431).

The spelling of 12134419 in words is "twelve million, one hundred thirty-four thousand, four hundred nineteen".