13028535 has 24 divisors (see below), whose sum is σ = 24321024. Its totient is φ = 6413760.

The previous prime is 13028531. The next prime is 13028539. The reversal of 13028535 is 53582031.

13028535 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13028531) and next prime (13028539).

It is not a de Polignac number, because 13028535 - 2² = 13028531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13028499 and 13028508.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10551 + ... + 11720.

It is an arithmetic number, because the mean of its divisors is an integer number (1013376).

Almost surely, 2^13028535 is an apocalyptic number.

13028535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13028535 is a deficient number, since it is larger than the sum of its proper divisors (11292489).

13028535 is a wasteful number, since it uses less digits than its factorization.

13028535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22295 (or 22292 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 13028535 is about 3609.5061989142. The cubic root of 13028535 is about 235.3053823712.

The spelling of 13028535 in words is "thirteen million, twenty-eight thousand, five hundred thirty-five".