13287804 has 12 divisors (see below), whose sum is σ = 31004904. Its totient is φ = 4429264.

The previous prime is 13287797. The next prime is 13287811. The reversal of 13287804 is 40878231.

13287804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13287797) and next prime (13287811).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553647 + ... + 553670.

It is an arithmetic number, because the mean of its divisors is an integer number (2583742).

Almost surely, 2^13287804 is an apocalyptic number.

It is an amenable number.

13287804 is an abundant number, since it is smaller than the sum of its proper divisors (17717100).

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

13287804 is a wasteful number, since it uses less digits than its factorization.

13287804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107324 (or 1107322 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 13287804 is about 3645.2440247533. The cubic root of 13287804 is about 236.8560075322.

The spelling of 13287804 in words is "thirteen million, two hundred eighty-seven thousand, eight hundred four".