13018899 has 8 divisors (see below), whose sum is σ = 17379472. Its totient is φ = 8668800.

The previous prime is 13018871. The next prime is 13018909. The reversal of 13018899 is 99881031.

It is a happy number.

13018899 is digitally balanced in base 2 and base 4, because in such bases 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 13018899 - 2¹⁷ = 12887827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13018199) 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, 999 + ... + 5199.

It is an arithmetic number, because the mean of its divisors is an integer number (2172434).

Almost surely, 2^13018899 is an apocalyptic number.

13018899 is a deficient number, since it is larger than the sum of its proper divisors (4360573).

13018899 is a wasteful number, since it uses less digits than its factorization.

13018899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 13018899 is about 3608.1711433911. The cubic root of 13018899 is about 235.2473568682.

The spelling of 13018899 in words is "thirteen million, eighteen thousand, eight hundred ninety-nine".