13019885 has 8 divisors (see below), whose sum is σ = 15673056. Its totient is φ = 10383120.

The previous prime is 13019879. The next prime is 13019887. The reversal of 13019885 is 58891031.

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

It is not a de Polignac number, because 13019885 - 2¹² = 13015789 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 (13019887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2279 + ... + 5588.

It is an arithmetic number, because the mean of its divisors is an integer number (1959132).

Almost surely, 2^13019885 is an apocalyptic number.

It is an amenable number.

13019885 is a deficient number, since it is larger than the sum of its proper divisors (2653171).

13019885 is an equidigital number, since it uses as much as digits as its factorization.

13019885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8203.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 13019885 is about 3608.3077751212. The cubic root of 13019885 is about 235.2532956203.

The spelling of 13019885 in words is "thirteen million, nineteen thousand, eight hundred eighty-five".