14406691 has 4 divisors (see below), whose sum is σ = 15514912. Its totient is φ = 13298472.

The previous prime is 14406673. The next prime is 14406761. The reversal of 14406691 is 19660441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14406691 - 2⁷ = 14406563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14406611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554091 + ... + 554116.

It is an arithmetic number, because the mean of its divisors is an integer number (3878728).

Almost surely, 2^14406691 is an apocalyptic number.

14406691 is a deficient number, since it is larger than the sum of its proper divisors (1108221).

14406691 is a wasteful number, since it uses less digits than its factorization.

14406691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108220.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 14406691 is about 3795.6147064738. The cubic root of 14406691 is about 243.3257554822.

The spelling of 14406691 in words is "fourteen million, four hundred six thousand, six hundred ninety-one".