13661024 has 24 divisors (see below), whose sum is σ = 28964880. Its totient is φ = 6304896.

The previous prime is 13661017. The next prime is 13661033. The reversal of 13661024 is 42016631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16004 + ... + 16835.

It is an arithmetic number, because the mean of its divisors is an integer number (1206870).

Almost surely, 2^13661024 is an apocalyptic number.

It is an amenable number.

13661024 is an abundant number, since it is smaller than the sum of its proper divisors (15303856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13661024 is a wasteful number, since it uses less digits than its factorization.

13661024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32862 (or 32854 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13661024 is about 3696.0822501671. The cubic root of 13661024 is about 239.0531210156.

Adding to 13661024 its reverse (42016631), we get a palindrome (55677655).

The spelling of 13661024 in words is "thirteen million, six hundred sixty-one thousand, twenty-four".