12534071 has 4 divisors (see below), whose sum is σ = 13673544. Its totient is φ = 11394600.

The previous prime is 12534059. The next prime is 12534077. The reversal of 12534071 is 17043521.

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 12534071 - 2²² = 8339767 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 (12534077) 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, 569720 + ... + 569741.

It is an arithmetic number, because the mean of its divisors is an integer number (3418386).

Almost surely, 2^12534071 is an apocalyptic number.

12534071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12534071 is a deficient number, since it is larger than the sum of its proper divisors (1139473).

12534071 is a wasteful number, since it uses less digits than its factorization.

12534071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139472.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12534071 is about 3540.3489940965. The cubic root of 12534071 is about 232.2901084905.

Adding to 12534071 its reverse (17043521), we get a palindrome (29577592).

The spelling of 12534071 in words is "twelve million, five hundred thirty-four thousand, seventy-one".