13283878 has 8 divisors (see below), whose sum is σ = 20000160. Its totient is φ = 6617160.

The previous prime is 13283843. The next prime is 13283891. The reversal of 13283878 is 87838231.

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

It is a super-2 number, since 2×13283878² = 352922829437768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13283878.

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 3 ways as a sum of consecutive naturals, for example, 11713 + ... + 12796.

It is an arithmetic number, because the mean of its divisors is an integer number (2500020).

Almost surely, 2^13283878 is an apocalyptic number.

13283878 is a deficient number, since it is larger than the sum of its proper divisors (6716282).

13283878 is a wasteful number, since it uses less digits than its factorization.

13283878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24782.

The product of its digits is 64512, while the sum is 40.

The square root of 13283878 is about 3644.7054750693. The cubic root of 13283878 is about 236.8326781624.

It can be divided in two parts, 13283 and 878, that added together give a square (14161 = 119²).

The spelling of 13283878 in words is "thirteen million, two hundred eighty-three thousand, eight hundred seventy-eight".