14406881 has 4 divisors (see below), whose sum is σ = 14903700. Its totient is φ = 13910064.

The previous prime is 14406853. The next prime is 14406893. The reversal of 14406881 is 18860441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18860441 = 313 ⋅60257.

It can be written as a sum of positive squares in 2 ways, for example, as 6477025 + 7929856 = 2545^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 14406881 - 2²² = 10212577 is a prime.

It is a super-2 number, since 2×14406881² = 415116440296322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14406811) 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, 248366 + ... + 248423.

It is an arithmetic number, because the mean of its divisors is an integer number (3725925).

Almost surely, 2^14406881 is an apocalyptic number.

It is an amenable number.

14406881 is a deficient number, since it is larger than the sum of its proper divisors (496819).

14406881 is an equidigital number, since it uses as much as digits as its factorization.

14406881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496818.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 14406881 is about 3795.6397352752. The cubic root of 14406881 is about 243.3268251632.

The spelling of 14406881 in words is "fourteen million, four hundred six thousand, eight hundred eighty-one".