13026489 has 16 divisors (see below), whose sum is σ = 20177280. Its totient is φ = 7320960.

The previous prime is 13026469. The next prime is 13026491. The reversal of 13026489 is 98462031.

13026489 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13026489 - 2⁹ = 13025977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13026439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3804 + ... + 6365.

It is an arithmetic number, because the mean of its divisors is an integer number (1261080).

Almost surely, 2^13026489 is an apocalyptic number.

It is an amenable number.

13026489 is a deficient number, since it is larger than the sum of its proper divisors (7150791).

13026489 is a wasteful number, since it uses less digits than its factorization.

13026489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10240.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 13026489 is about 3609.2227695170. Note that the first 3 decimals coincide. The cubic root of 13026489 is about 235.2930642808.

The spelling of 13026489 in words is "thirteen million, twenty-six thousand, four hundred eighty-nine".