13573668 has 12 divisors (see below), whose sum is σ = 31671920. Its totient is φ = 4524552.

The previous prime is 13573663. The next prime is 13573669. The reversal of 13573668 is 86637531.

13573668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (13573663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565558 + ... + 565581.

Almost surely, 2^13573668 is an apocalyptic number.

It is an amenable number.

13573668 is an abundant number, since it is smaller than the sum of its proper divisors (18098252).

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

13573668 is a wasteful number, since it uses less digits than its factorization.

13573668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131146 (or 1131144 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 13573668 is about 3684.2459201307. The cubic root of 13573668 is about 238.5424859155.

It can be divided in two parts, 13573 and 668, that added together give a palindrome (14241).

The spelling of 13573668 in words is "thirteen million, five hundred seventy-three thousand, six hundred sixty-eight".