12534145 has 8 divisors (see below), whose sum is σ = 16198056. Its totient is φ = 9255936.

The previous prime is 12534143. The next prime is 12534163. The reversal of 12534145 is 54143521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 817216 + 11716929 = 904^2 + 3423^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12534145 - 2¹ = 12534143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12534143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 96352 + ... + 96481.

It is an arithmetic number, because the mean of its divisors is an integer number (2024757).

Almost surely, 2^12534145 is an apocalyptic number.

It is an amenable number.

12534145 is a deficient number, since it is larger than the sum of its proper divisors (3663911).

12534145 is a wasteful number, since it uses less digits than its factorization.

12534145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192851.

The product of its digits is 2400, while the sum is 25.

The square root of 12534145 is about 3540.3594450281. The cubic root of 12534145 is about 232.2905656294.

Adding to 12534145 its reverse (54143521), we get a palindrome (66677666).

The spelling of 12534145 in words is "twelve million, five hundred thirty-four thousand, one hundred forty-five".