13603307004 has 36 divisors (see below), whose sum is σ = 39298443184. Its totient is φ = 3886659072.

The previous prime is 13603306991. The next prime is 13603307023. The reversal of 13603307004 is 40070330631.

It is a happy number.

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

It is a super-2 number, since 2×13603307004² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26990437 + ... + 26990940.

Almost surely, 2^13603307004 is an apocalyptic number.

13603307004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13603307004 is an abundant number, since it is smaller than the sum of its proper divisors (25695136180).

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

13603307004 is a wasteful number, since it uses less digits than its factorization.

13603307004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53981394 (or 53981389 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

Adding to 13603307004 its reverse (40070330631), we get a palindrome (53673637635).

The spelling of 13603307004 in words is "thirteen billion, six hundred three million, three hundred seven thousand, four".