13067856 has 30 divisors (see below), whose sum is σ = 36572250. Its totient is φ = 4355904.

The previous prime is 13067843. The next prime is 13067861. The reversal of 13067856 is 65876031.

It can be written as a sum of positive squares in only one way, i.e., 12362256 + 705600 = 3516^2 + 840^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 13067856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45231 + ... + 45518.

It is an arithmetic number, because the mean of its divisors is an integer number (1219075).

Almost surely, 2^13067856 is an apocalyptic number.

13067856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13067856 is an abundant number, since it is smaller than the sum of its proper divisors (23504394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13067856 is a wasteful number, since it uses less digits than its factorization.

13067856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90763 (or 90754 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 13067856 is about 3614.9489622953. The cubic root of 13067856 is about 235.5418671423.

The spelling of 13067856 in words is "thirteen million, sixty-seven thousand, eight hundred fifty-six".