13775004 has 36 divisors (see below), whose sum is σ = 34987680. Its totient is φ = 4569600.

The previous prime is 13774997. The next prime is 13775009. The reversal of 13775004 is 40057731.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13775009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7804 + ... + 9404.

It is an arithmetic number, because the mean of its divisors is an integer number (971880).

Almost surely, 2^13775004 is an apocalyptic number.

It is an amenable number.

13775004 is an abundant number, since it is smaller than the sum of its proper divisors (21212676).

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

13775004 is a wasteful number, since it uses less digits than its factorization.

13775004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850 (or 1845 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 13775004 is about 3711.4692508493. The cubic root of 13775004 is about 239.7161226894.

The spelling of 13775004 in words is "thirteen million, seven hundred seventy-five thousand, four".