14153691 has 4 divisors (see below), whose sum is σ = 18871592. Its totient is φ = 9435792.

The previous prime is 14153641. The next prime is 14153693. The reversal of 14153691 is 19635141.

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

It is not a de Polignac number, because 14153691 - 2⁷ = 14153563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14153693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2358946 + ... + 2358951.

It is an arithmetic number, because the mean of its divisors is an integer number (4717898).

Almost surely, 2^14153691 is an apocalyptic number.

14153691 is a deficient number, since it is larger than the sum of its proper divisors (4717901).

14153691 is an equidigital number, since it uses as much as digits as its factorization.

14153691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717900.

The product of its digits is 3240, while the sum is 30.

The square root of 14153691 is about 3762.1391521314. The cubic root of 14153691 is about 241.8929642995.

The spelling of 14153691 in words is "fourteen million, one hundred fifty-three thousand, six hundred ninety-one".