13130984 has 8 divisors (see below), whose sum is σ = 24620610. Its totient is φ = 6565488.

The previous prime is 13130977. The next prime is 13130989. The reversal of 13130984 is 48903131.

It can be written as a sum of positive squares in only one way, i.e., 13118884 + 12100 = 3622^2 + 110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13130989) 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 as a sum of consecutive naturals, namely, 820679 + ... + 820694.

Almost surely, 2^13130984 is an apocalyptic number.

It is an amenable number.

13130984 is a deficient number, since it is larger than the sum of its proper divisors (11489626).

13130984 is a wasteful number, since it uses less digits than its factorization.

13130984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641379 (or 1641375 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 13130984 is about 3623.6699628967. The cubic root of 13130984 is about 235.9205420527.

The spelling of 13130984 in words is "thirteen million, one hundred thirty thousand, nine hundred eighty-four".