13601004 has 24 divisors (see below), whose sum is σ = 33116160. Its totient is φ = 4336464.

The previous prime is 13600999. The next prime is 13601009. The reversal of 13601004 is 40010631.

It is an interprime number because it is at equal distance from previous prime (13600999) and next prime (13601009).

It is not an unprimeable number, because it can be changed into a prime (13601009) 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 in 7 ways as a sum of consecutive naturals, for example, 24364 + ... + 24915.

It is an arithmetic number, because the mean of its divisors is an integer number (1379840).

Almost surely, 2^13601004 is an apocalyptic number.

It is an amenable number.

13601004 is an abundant number, since it is smaller than the sum of its proper divisors (19515156).

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

13601004 is a wasteful number, since it uses less digits than its factorization.

13601004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49309 (or 49307 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13601004 is about 3687.9539042672. The cubic root of 13601004 is about 238.7025120504.

Adding to 13601004 its reverse (40010631), we get a palindrome (53611635).

The spelling of 13601004 in words is "thirteen million, six hundred one thousand, four".