13659572 has 6 divisors (see below), whose sum is σ = 23904258. Its totient is φ = 6829784.

The previous prime is 13659571. The next prime is 13659587. The reversal of 13659572 is 27595631.

It is a happy number.

13659572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12418576 + 1240996 = 3524^2 + 1114^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13659571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1707443 + ... + 1707450.

It is an arithmetic number, because the mean of its divisors is an integer number (3984043).

Almost surely, 2^13659572 is an apocalyptic number.

It is an amenable number.

13659572 is a deficient number, since it is larger than the sum of its proper divisors (10244686).

13659572 is a wasteful number, since it uses less digits than its factorization.

13659572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414897 (or 3414895 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 13659572 is about 3695.8858207472. The cubic root of 13659572 is about 239.0446512398.

The spelling of 13659572 in words is "thirteen million, six hundred fifty-nine thousand, five hundred seventy-two".