13119885 has 24 divisors (see below), whose sum is σ = 23174424. Its totient is φ = 6864000.

The previous prime is 13119881. The next prime is 13119901. The reversal of 13119885 is 58891131.

It can be written as a sum of positive squares in 4 ways, for example, as 6245001 + 6874884 = 2499^2 + 2622^2 .

It is not a de Polignac number, because 13119885 - 2² = 13119881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13119881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 366 + ... + 5135.

It is an arithmetic number, because the mean of its divisors is an integer number (965601).

Almost surely, 2^13119885 is an apocalyptic number.

13119885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13119885 is a deficient number, since it is larger than the sum of its proper divisors (10054539).

13119885 is a wasteful number, since it uses less digits than its factorization.

13119885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565 (or 5562 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The square root of 13119885 is about 3622.1381806883. The cubic root of 13119885 is about 235.8540524887.

The spelling of 13119885 in words is "thirteen million, one hundred nineteen thousand, eight hundred eighty-five".