14927891 has 12 divisors (see below), whose sum is σ = 16576056. Its totient is φ = 13432320.

The previous prime is 14927879. The next prime is 14927911. The reversal of 14927891 is 19872941.

It is not a de Polignac number, because 14927891 - 2⁶ = 14927827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14927831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12371 + ... + 13523.

It is an arithmetic number, because the mean of its divisors is an integer number (1381338).

Almost surely, 2^14927891 is an apocalyptic number.

14927891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14927891 is a deficient number, since it is larger than the sum of its proper divisors (1648165).

14927891 is a wasteful number, since it uses less digits than its factorization.

14927891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1271 counting only the distinct ones).

The product of its digits is 36288, while the sum is 41.

The square root of 14927891 is about 3863.6628993741. The cubic root of 14927891 is about 246.2253811698.

The spelling of 14927891 in words is "fourteen million, nine hundred twenty-seven thousand, eight hundred ninety-one".