13614561 has 24 divisors (see below), whose sum is σ = 20573280. Its totient is φ = 8996832.

The previous prime is 13614553. The next prime is 13614571. The reversal of 13614561 is 16541631.

It is not a de Polignac number, because 13614561 - 2³ = 13614553 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13614521) 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, 43341 + ... + 43653.

It is an arithmetic number, because the mean of its divisors is an integer number (857220).

Almost surely, 2^13614561 is an apocalyptic number.

It is an amenable number.

13614561 is a deficient number, since it is larger than the sum of its proper divisors (6958719).

13614561 is an equidigital number, since it uses as much as digits as its factorization.

13614561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 495 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 13614561 is about 3689.7914575217. The cubic root of 13614561 is about 238.7817957891.

The spelling of 13614561 in words is "thirteen million, six hundred fourteen thousand, five hundred sixty-one".