13681004 has 6 divisors (see below), whose sum is σ = 23941764. Its totient is φ = 6840500.

The previous prime is 13680949. The next prime is 13681033. The reversal of 13681004 is 40018631.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710122 + ... + 1710129.

It is an arithmetic number, because the mean of its divisors is an integer number (3990294).

Almost surely, 2^13681004 is an apocalyptic number.

It is an amenable number.

13681004 is a deficient number, since it is larger than the sum of its proper divisors (10260760).

13681004 is a wasteful number, since it uses less digits than its factorization.

13681004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420255 (or 3420253 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 13681004 is about 3698.7841245469. The cubic root of 13681004 is about 239.1696070302.

Adding to 13681004 its reverse (40018631), we get a palindrome (53699635).

The spelling of 13681004 in words is "thirteen million, six hundred eighty-one thousand, four".