12427134 has 8 divisors (see below), whose sum is σ = 24854280. Its totient is φ = 4142376.

The previous prime is 12427117. The next prime is 12427139. The reversal of 12427134 is 43172421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12427134 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427139) 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, 1035589 + ... + 1035600.

It is an arithmetic number, because the mean of its divisors is an integer number (3106785).

Almost surely, 2^12427134 is an apocalyptic number.

12427134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12427134 is a wasteful number, since it uses less digits than its factorization.

12427134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071194.

The product of its digits is 1344, while the sum is 24.

The square root of 12427134 is about 3525.2140360551. The cubic root of 12427134 is about 231.6276105741.

Adding to 12427134 its reverse (43172421), we get a palindrome (55599555).

It can be divided in two parts, 12427 and 134, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 12427134 in words is "twelve million, four hundred twenty-seven thousand, one hundred thirty-four".