14725891 has 4 divisors (see below), whose sum is σ = 15003792. Its totient is φ = 14447992.

The previous prime is 14725877. The next prime is 14725951. The reversal of 14725891 is 19852741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19852741 = 31 ⋅640411.

It is a cyclic number.

It is not a de Polignac number, because 14725891 - 2⁹ = 14725379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14725891.

It is not an unprimeable number, because it can be changed into a prime (14725811) 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, 138871 + ... + 138976.

It is an arithmetic number, because the mean of its divisors is an integer number (3750948).

Almost surely, 2^14725891 is an apocalyptic number.

14725891 is a deficient number, since it is larger than the sum of its proper divisors (277901).

14725891 is an equidigital number, since it uses as much as digits as its factorization.

14725891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277900.

The product of its digits is 20160, while the sum is 37.

The square root of 14725891 is about 3837.4328658623. The cubic root of 14725891 is about 245.1097162349.

The spelling of 14725891 in words is "fourteen million, seven hundred twenty-five thousand, eight hundred ninety-one".