13112002 has 16 divisors (see below), whose sum is σ = 20475000. Its totient is φ = 6289920.

The previous prime is 13111961. The next prime is 13112051. The reversal of 13112002 is 20021131.

It can be written as a sum of positive squares in 4 ways, for example, as 6806881 + 6305121 = 2609^2 + 2511^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13112002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9874 + ... + 11122.

Almost surely, 2^13112002 is an apocalyptic number.

13112002 is a deficient number, since it is larger than the sum of its proper divisors (7362998).

13112002 is a wasteful number, since it uses less digits than its factorization.

13112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 13112002 is about 3621.0498477651. The cubic root of 13112002 is about 235.8068058858.

Adding to 13112002 its reverse (20021131), we get a palindrome (33133133).

The spelling of 13112002 in words is "thirteen million, one hundred twelve thousand, two".