13652004 has 12 divisors (see below), whose sum is σ = 31854704. Its totient is φ = 4550664.

The previous prime is 13651999. The next prime is 13652029. The reversal of 13652004 is 40025631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568822 + ... + 568845.

Almost surely, 2^13652004 is an apocalyptic number.

It is an amenable number.

13652004 is an abundant number, since it is smaller than the sum of its proper divisors (18202700).

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

13652004 is a wasteful number, since it uses less digits than its factorization.

13652004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137674 (or 1137672 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13652004 is about 3694.8618377417. The cubic root of 13652004 is about 239.0004960220. Note that the first 3 decimals are identical.

Adding to 13652004 its reverse (40025631), we get a palindrome (53677635).

The spelling of 13652004 in words is "thirteen million, six hundred fifty-two thousand, four".