13028115 has 16 divisors (see below), whose sum is σ = 20913408. Its totient is φ = 6925536.

The previous prime is 13028027. The next prime is 13028123. The reversal of 13028115 is 51182031.

13028115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13028115 - 2¹¹ = 13026067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13028091 and 13028100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3954 + ... + 6456.

It is an arithmetic number, because the mean of its divisors is an integer number (1307088).

Almost surely, 2^13028115 is an apocalyptic number.

13028115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13028115 is a deficient number, since it is larger than the sum of its proper divisors (7885293).

13028115 is a wasteful number, since it uses less digits than its factorization.

13028115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 13028115 is about 3609.4480187419. The cubic root of 13028115 is about 235.3028538362.

The spelling of 13028115 in words is "thirteen million, twenty-eight thousand, one hundred fifteen".