13028534 has 16 divisors (see below), whose sum is σ = 20590848. Its totient is φ = 6170472.

The previous prime is 13028531. The next prime is 13028539. The reversal of 13028534 is 43582031.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13028531) 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 7 ways as a sum of consecutive naturals, for example, 3599 + ... + 6245.

It is an arithmetic number, because the mean of its divisors is an integer number (1286928).

Almost surely, 2^13028534 is an apocalyptic number.

13028534 is a deficient number, since it is larger than the sum of its proper divisors (7562314).

13028534 is a wasteful number, since it uses less digits than its factorization.

13028534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 13028534 is about 3609.5060603911. The cubic root of 13028534 is about 235.3053763510.

The spelling of 13028534 in words is "thirteen million, twenty-eight thousand, five hundred thirty-four".