13111002 has 24 divisors (see below), whose sum is σ = 28810080. Its totient is φ = 4308360.

The previous prime is 13110997. The next prime is 13111009. The reversal of 13111002 is 20011131.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (13111009) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3852 + ... + 6407.

It is an arithmetic number, because the mean of its divisors is an integer number (1200420).

Almost surely, 2^13111002 is an apocalyptic number.

13111002 is an abundant number, since it is smaller than the sum of its proper divisors (15699078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13111002 is a wasteful number, since it uses less digits than its factorization.

13111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338 (or 10335 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 13111002 is about 3620.9117636308. The cubic root of 13111002 is about 235.8008110524.

Adding to 13111002 its reverse (20011131), we get a palindrome (33122133).

The spelling of 13111002 in words is "thirteen million, one hundred eleven thousand, two".