13662441 has 24 divisors (see below), whose sum is σ = 22506120. Its totient is φ = 7911936.

The previous prime is 13662427. The next prime is 13662457. The reversal of 13662441 is 14426631.

13662441 is a `hidden beast` number, since 1 + 36 + 624 + 4 + 1 = 666.

13662441 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2025 + 13660416 = 45^2 + 3696^2 .

It is not a de Polignac number, because 13662441 - 2⁵ = 13662409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13662401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1446 + ... + 5423.

It is an arithmetic number, because the mean of its divisors is an integer number (937755).

Almost surely, 2^13662441 is an apocalyptic number.

It is an amenable number.

13662441 is a deficient number, since it is larger than the sum of its proper divisors (8843679).

13662441 is a wasteful number, since it uses less digits than its factorization.

13662441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6905 (or 6902 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13662441 is about 3696.2739346537. The cubic root of 13662441 is about 239.0613860515.

The spelling of 13662441 in words is "thirteen million, six hundred sixty-two thousand, four hundred forty-one".