13066487 has 6 divisors (see below), whose sum is σ = 15199848. Its totient is φ = 11199804.

The previous prime is 13066481. The next prime is 13066499. The reversal of 13066487 is 78466031.

It is not a de Polignac number, because 13066487 - 2¹⁰ = 13065463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13066481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133283 + ... + 133380.

It is an arithmetic number, because the mean of its divisors is an integer number (2533308).

Almost surely, 2^13066487 is an apocalyptic number.

13066487 is a deficient number, since it is larger than the sum of its proper divisors (2133361).

13066487 is an equidigital number, since it uses as much as digits as its factorization.

13066487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266677 (or 266670 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 13066487 is about 3614.7596047317. The cubic root of 13066487 is about 235.5336416645.

The spelling of 13066487 in words is "thirteen million, sixty-six thousand, four hundred eighty-seven".