13030404 has 12 divisors (see below), whose sum is σ = 30404304. Its totient is φ = 4343464.

The previous prime is 13030403. The next prime is 13030453. The reversal of 13030404 is 40403031.

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

It is not an unprimeable number, because it can be changed into a prime (13030403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542922 + ... + 542945.

It is an arithmetic number, because the mean of its divisors is an integer number (2533692).

Almost surely, 2^13030404 is an apocalyptic number.

It is an amenable number.

13030404 is an abundant number, since it is smaller than the sum of its proper divisors (17373900).

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

13030404 is a wasteful number, since it uses less digits than its factorization.

13030404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085874 (or 1085872 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13030404 is about 3609.7650893098. The cubic root of 13030404 is about 235.3166336933.

Adding to 13030404 its reverse (40403031), we get a palindrome (53433435).

The spelling of 13030404 in words is "thirteen million, thirty thousand, four hundred four".