13655644 has 6 divisors (see below), whose sum is σ = 23897384. Its totient is φ = 6827820.

The previous prime is 13655633. The next prime is 13655647. The reversal of 13655644 is 44655631.

13655644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13655644² = 372953226109472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13655647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1706952 + ... + 1706959.

Almost surely, 2^13655644 is an apocalyptic number.

It is an amenable number.

13655644 is a deficient number, since it is larger than the sum of its proper divisors (10241740).

13655644 is a wasteful number, since it uses less digits than its factorization.

13655644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413915 (or 3413913 counting only the distinct ones).

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

The square root of 13655644 is about 3695.3543808409. The cubic root of 13655644 is about 239.0217355045.

The spelling of 13655644 in words is "thirteen million, six hundred fifty-five thousand, six hundred forty-four".