13061287 has 8 divisors (see below), whose sum is σ = 13889232. Its totient is φ = 12240000.

The previous prime is 13061249. The next prime is 13061291. The reversal of 13061287 is 78216031.

13061287 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13061287 - 2¹⁹ = 12536999 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 (13065287) 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, 2737 + ... + 5797.

It is an arithmetic number, because the mean of its divisors is an integer number (1736154).

Almost surely, 2^13061287 is an apocalyptic number.

13061287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13061287 is a deficient number, since it is larger than the sum of its proper divisors (827945).

13061287 is a wasteful number, since it uses less digits than its factorization.

13061287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 13061287 is about 3614.0402598754. The cubic root of 13061287 is about 235.5023928306.

The spelling of 13061287 in words is "thirteen million, sixty-one thousand, two hundred eighty-seven".