13604264 has 8 divisors (see below), whose sum is σ = 25508010. Its totient is φ = 6802128.

The previous prime is 13604263. The next prime is 13604287. The reversal of 13604264 is 46240631.

It can be written as a sum of positive squares in only one way, i.e., 7562500 + 6041764 = 2750^2 + 2458^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13604263) by changing a digit.

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 as a sum of consecutive naturals, namely, 850259 + ... + 850274.

Almost surely, 2^13604264 is an apocalyptic number.

It is an amenable number.

13604264 is a deficient number, since it is larger than the sum of its proper divisors (11903746).

13604264 is a wasteful number, since it uses less digits than its factorization.

13604264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700539 (or 1700535 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 13604264 is about 3688.3958572800. The cubic root of 13604264 is about 238.7215819177.

Adding to 13604264 its reverse (46240631), we get a palindrome (59844895).

The spelling of 13604264 in words is "thirteen million, six hundred four thousand, two hundred sixty-four".