13111802 has 12 divisors (see below), whose sum is σ = 21618618. Its totient is φ = 5959800.

The previous prime is 13111789. The next prime is 13111831. The reversal of 13111802 is 20811131.

It can be written as a sum of positive squares in only one way, i.e., 13097161 + 14641 = 3619^2 + 121^2 .

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 5 ways as a sum of consecutive naturals, for example, 26849 + ... + 27332.

Almost surely, 2^13111802 is an apocalyptic number.

13111802 is a deficient number, since it is larger than the sum of its proper divisors (8506816).

13111802 is a wasteful number, since it uses less digits than its factorization.

13111802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54205 (or 54194 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 13111802 is about 3621.0222313595. The cubic root of 13111802 is about 235.8056069435.

Adding to 13111802 its reverse (20811131), we get a palindrome (33922933).

It can be divided in two parts, 1311 and 1802, that added together give a palindrome (3113).

The spelling of 13111802 in words is "thirteen million, one hundred eleven thousand, eight hundred two".