14402881 has 4 divisors (see below), whose sum is σ = 14444500. Its totient is φ = 14361264.

The previous prime is 14402813. The next prime is 14402911. The reversal of 14402881 is 18820441.

14402881 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4060225 + 10342656 = 2015^2 + 3216^2 .

It is a cyclic number.

It is not a de Polignac number, because 14402881 - 2¹⁵ = 14370113 is a prime.

It is a super-2 number, since 2×14402881² = 414885962200322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14402981) 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, 20286 + ... + 20983.

It is an arithmetic number, because the mean of its divisors is an integer number (3611125).

Almost surely, 2^14402881 is an apocalyptic number.

It is an amenable number.

14402881 is a deficient number, since it is larger than the sum of its proper divisors (41619).

14402881 is an equidigital number, since it uses as much as digits as its factorization.

14402881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41618.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 14402881 is about 3795.1127782979. The cubic root of 14402881 is about 243.3043035780.

It can be divided in two parts, 1440 and 2881, that multiplied together give a triangular number (4148640 = T₂₈₈₀).

The spelling of 14402881 in words is "fourteen million, four hundred two thousand, eight hundred eighty-one".