13455646 has 16 divisors (see below), whose sum is σ = 20878704. Its totient is φ = 6499584.

The previous prime is 13455641. The next prime is 13455647. The reversal of 13455646 is 64655431.

13455646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13455641) 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, 7536 + ... + 9148.

It is an arithmetic number, because the mean of its divisors is an integer number (1304919).

Almost surely, 2^13455646 is an apocalyptic number.

13455646 is a deficient number, since it is larger than the sum of its proper divisors (7423058).

13455646 is a wasteful number, since it uses less digits than its factorization.

13455646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755.

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

The square root of 13455646 is about 3668.1938334826. The cubic root of 13455646 is about 237.8491028511.

The spelling of 13455646 in words is "thirteen million, four hundred fifty-five thousand, six hundred forty-six".