13771004 has 12 divisors (see below), whose sum is σ = 25953144. Its totient is φ = 6355824.

The previous prime is 13771001. The next prime is 13771019. The reversal of 13771004 is 40017731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13771001) 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, 132362 + ... + 132465.

It is an arithmetic number, because the mean of its divisors is an integer number (2162762).

Almost surely, 2^13771004 is an apocalyptic number.

It is an amenable number.

13771004 is a deficient number, since it is larger than the sum of its proper divisors (12182140).

13771004 is a wasteful number, since it uses less digits than its factorization.

13771004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264844 (or 264842 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 13771004 is about 3710.9303415720. The cubic root of 13771004 is about 239.6929174373.

Adding to 13771004 its reverse (40017731), we get a palindrome (53788735).

The spelling of 13771004 in words is "thirteen million, seven hundred seventy-one thousand, four".