13445004 has 24 divisors (see below), whose sum is σ = 31752000. Its totient is φ = 4427344.

The previous prime is 13444999. The next prime is 13445017. The reversal of 13445004 is 40054431.

13445004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5754 + ... + 7745.

It is an arithmetic number, because the mean of its divisors is an integer number (1323000).

Almost surely, 2^13445004 is an apocalyptic number.

It is an amenable number.

13445004 is an abundant number, since it is smaller than the sum of its proper divisors (18306996).

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

13445004 is a wasteful number, since it uses less digits than its factorization.

13445004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13589 (or 13587 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 13445004 is about 3666.7429689031. The cubic root of 13445004 is about 237.7863817760.

Adding to 13445004 its reverse (40054431), we get a palindrome (53499435).

The spelling of 13445004 in words is "thirteen million, four hundred forty-five thousand, four".