13544004 has 12 divisors (see below), whose sum is σ = 31602704. Its totient is φ = 4514664.

The previous prime is 13543973. The next prime is 13544009. The reversal of 13544004 is 40044531.

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 (13544009) 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 in 3 ways as a sum of consecutive naturals, for example, 564322 + ... + 564345.

Almost surely, 2^13544004 is an apocalyptic number.

It is an amenable number.

13544004 is an abundant number, since it is smaller than the sum of its proper divisors (18058700).

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

13544004 is a wasteful number, since it uses less digits than its factorization.

13544004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128674 (or 1128672 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 13544004 is about 3680.2179283298. The cubic root of 13544004 is about 238.3685883046.

Adding to 13544004 its reverse (40044531), we get a palindrome (53588535).

The spelling of 13544004 in words is "thirteen million, five hundred forty-four thousand, four".