13661027 has 4 divisors (see below), whose sum is σ = 13699440. Its totient is φ = 13622616.

The previous prime is 13661017. The next prime is 13661033. The reversal of 13661027 is 72016631.

13661027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72016631 = 19 ⋅3790349.

It is a cyclic number.

It is not a de Polignac number, because 13661027 - 2⁸ = 13660771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13660987 and 13661005.

It is not an unprimeable number, because it can be changed into a prime (13661017) 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, 18668 + ... + 19385.

It is an arithmetic number, because the mean of its divisors is an integer number (3424860).

Almost surely, 2^13661027 is an apocalyptic number.

13661027 is a deficient number, since it is larger than the sum of its proper divisors (38413).

13661027 is an equidigital number, since it uses as much as digits as its factorization.

13661027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38412.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 13661027 is about 3696.0826560022. The cubic root of 13661027 is about 239.0531385145.

Adding to 13661027 its reverse (72016631), we get a palindrome (85677658).

The spelling of 13661027 in words is "thirteen million, six hundred sixty-one thousand, twenty-seven".