11013899 has 6 divisors (see below), whose sum is σ = 11926476. Its totient is φ = 10166520.

The previous prime is 11013889. The next prime is 11013911. The reversal of 11013899 is 99831011.

It is not a de Polignac number, because 11013899 - 2⁴ = 11013883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32417 + ... + 32754.

It is an arithmetic number, because the mean of its divisors is an integer number (1987746).

Almost surely, 2^11013899 is an apocalyptic number.

11013899 is a deficient number, since it is larger than the sum of its proper divisors (912577).

11013899 is an equidigital number, since it uses as much as digits as its factorization.

11013899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65197 (or 65184 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 11013899 is about 3318.7194819689. The cubic root of 11013899 is about 222.4916396303.

The spelling of 11013899 in words is "eleven million, thirteen thousand, eight hundred ninety-nine".