13466644 has 12 divisors (see below), whose sum is σ = 23652468. Its totient is φ = 6708800.

The previous prime is 13466639. The next prime is 13466647. The reversal of 13466644 is 44666431.

13466644 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 2 ways, for example, as 11478544 + 1988100 = 3388^2 + 1410^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13466647) 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, 4867 + ... + 7114.

It is an arithmetic number, because the mean of its divisors is an integer number (1971039).

Almost surely, 2^13466644 is an apocalyptic number.

It is an amenable number.

13466644 is a deficient number, since it is larger than the sum of its proper divisors (10185824).

13466644 is a wasteful number, since it uses less digits than its factorization.

13466644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12266 (or 12264 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 13466644 is about 3669.6926301804. The cubic root of 13466644 is about 237.9138873552.

The spelling of 13466644 in words is "thirteen million, four hundred sixty-six thousand, six hundred forty-four".