12534151 has 24 divisors (see below), whose sum is σ = 15857856. Its totient is φ = 9838080.

The previous prime is 12534143. The next prime is 12534163. The reversal of 12534151 is 15143521.

It is a happy number.

It is not a de Polignac number, because 12534151 - 2³ = 12534143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33970 + ... + 34336.

It is an arithmetic number, because the mean of its divisors is an integer number (660744).

Almost surely, 2^12534151 is an apocalyptic number.

12534151 is a deficient number, since it is larger than the sum of its proper divisors (3323705).

12534151 is a wasteful number, since it uses less digits than its factorization.

12534151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 432 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 12534151 is about 3540.3602923996. The cubic root of 12534151 is about 232.2906026946.

Adding to 12534151 its reverse (15143521), we get a palindrome (27677672).

The spelling of 12534151 in words is "twelve million, five hundred thirty-four thousand, one hundred fifty-one".