13656445 has 8 divisors (see below), whose sum is σ = 17877600. Its totient is φ = 9931920.

The previous prime is 13656443. The next prime is 13656449. The reversal of 13656445 is 54465631.

13656445 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13656445 - 2¹ = 13656443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13656445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13656443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124095 + ... + 124204.

It is an arithmetic number, because the mean of its divisors is an integer number (2234700).

Almost surely, 2^13656445 is an apocalyptic number.

It is an amenable number.

13656445 is a deficient number, since it is larger than the sum of its proper divisors (4221155).

13656445 is a wasteful number, since it uses less digits than its factorization.

13656445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248315.

The product of its digits is 43200, while the sum is 34.

The square root of 13656445 is about 3695.4627585730. The cubic root of 13656445 is about 239.0264088510.

The spelling of 13656445 in words is "thirteen million, six hundred fifty-six thousand, four hundred forty-five".