14561921 has 8 divisors (see below), whose sum is σ = 16576704. Its totient is φ = 12662320.

The previous prime is 14561903. The next prime is 14561927. The reversal of 14561921 is 12916541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14561921 - 2¹⁸ = 14299777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14561927) 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 7 ways as a sum of consecutive naturals, for example, 28526 + ... + 29031.

It is an arithmetic number, because the mean of its divisors is an integer number (2072088).

Almost surely, 2^14561921 is an apocalyptic number.

14561921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14561921 is a deficient number, since it is larger than the sum of its proper divisors (2014783).

14561921 is a wasteful number, since it uses less digits than its factorization.

14561921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57591.

The product of its digits is 2160, while the sum is 29.

The square root of 14561921 is about 3816.0085167620. The cubic root of 14561921 is about 244.1965685105.

The spelling of 14561921 in words is "fourteen million, five hundred sixty-one thousand, nine hundred twenty-one".