13000404 has 12 divisors (see below), whose sum is σ = 30334304. Its totient is φ = 4333464.

The previous prime is 13000397. The next prime is 13000411. The reversal of 13000404 is 40400031.

It is an interprime number because it is at equal distance from previous prime (13000397) and next prime (13000411).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1083367 = 13000404 / (1 + 3 + 0 + 0 + 0 + 4 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 13000404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541672 + ... + 541695.

Almost surely, 2^13000404 is an apocalyptic number.

It is an amenable number.

13000404 is an abundant number, since it is smaller than the sum of its proper divisors (17333900).

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

13000404 is a wasteful number, since it uses less digits than its factorization.

13000404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083374 (or 1083372 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 13000404 is about 3605.6072997485. The cubic root of 13000404 is about 235.1359044884.

Adding to 13000404 its reverse (40400031), we get a palindrome (53400435).

The spelling of 13000404 in words is "thirteen million, four hundred four", and thus it is an aban number.