13004461 has 2 divisors, whose sum is σ = 13004462. Its totient is φ = 13004460.

The previous prime is 13004449. The next prime is 13004479. The reversal of 13004461 is 16440031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13003236 + 1225 = 3606^2 + 35^2 .

It is a cyclic number.

It is not a de Polignac number, because 13004461 - 2⁷ = 13004333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13004491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6502230 + 6502231.

It is an arithmetic number, because the mean of its divisors is an integer number (6502231).

Almost surely, 2^13004461 is an apocalyptic number.

It is an amenable number.

13004461 is a deficient number, since it is larger than the sum of its proper divisors (1).

13004461 is an equidigital number, since it uses as much as digits as its factorization.

13004461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 13004461 is about 3606.1698517957. The cubic root of 13004461 is about 235.1603613476.

Adding to 13004461 its reverse (16440031), we get a palindrome (29444492).

The spelling of 13004461 in words is "thirteen million, four thousand, four hundred sixty-one".