12545534 has 16 divisors (see below), whose sum is σ = 19740672. Its totient is φ = 5968248.

The previous prime is 12545527. The next prime is 12545563. The reversal of 12545534 is 43554521.

It is a junction number, because it is equal to n+sod(n) for n = 12545497 and 12545506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9647 + ... + 10869.

It is an arithmetic number, because the mean of its divisors is an integer number (1233792).

Almost surely, 2^12545534 is an apocalyptic number.

12545534 is a deficient number, since it is larger than the sum of its proper divisors (7195138).

12545534 is a wasteful number, since it uses less digits than its factorization.

12545534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471.

The product of its digits is 12000, while the sum is 29.

The square root of 12545534 is about 3541.9675323187. The cubic root of 12545534 is about 232.3609003397.

The spelling of 12545534 in words is "twelve million, five hundred forty-five thousand, five hundred thirty-four".