13924561 has 8 divisors (see below), whose sum is σ = 16284224. Its totient is φ = 11657520.

The previous prime is 13924529. The next prime is 13924571. The reversal of 13924561 is 16542931.

13924561 = T₁₄₁ + T₁₄₂ + ... + T₄₄₁.

13924561 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13924561 - 2⁵ = 13924529 is a prime.

It is a Duffinian number.

13924561 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (13924501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22830 + ... + 23431.

It is an arithmetic number, because the mean of its divisors is an integer number (2035528).

Almost surely, 2^13924561 is an apocalyptic number.

It is an amenable number.

13924561 is a deficient number, since it is larger than the sum of its proper divisors (2359663).

13924561 is an equidigital number, since it uses as much as digits as its factorization.

13924561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46311.

The product of its digits is 6480, while the sum is 31.

The square root of 13924561 is about 3731.5628093334. The cubic root of 13924561 is about 240.5805447981.

The spelling of 13924561 in words is "thirteen million, nine hundred twenty-four thousand, five hundred sixty-one".