14651921 has 4 divisors (see below), whose sum is σ = 14963712. Its totient is φ = 14340132.

The previous prime is 14651891. The next prime is 14651927. The reversal of 14651921 is 12915641.

14651921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12915641 = 883 ⋅14627.

It is a cyclic number.

It is not a de Polignac number, because 14651921 - 2¹⁰ = 14650897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14651927) 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, 155825 + ... + 155918.

It is an arithmetic number, because the mean of its divisors is an integer number (3740928).

Almost surely, 2^14651921 is an apocalyptic number.

It is an amenable number.

14651921 is a deficient number, since it is larger than the sum of its proper divisors (311791).

14651921 is an equidigital number, since it uses as much as digits as its factorization.

14651921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311790.

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

The square root of 14651921 is about 3827.7827785808. The cubic root of 14651921 is about 244.6986215081.

The spelling of 14651921 in words is "fourteen million, six hundred fifty-one thousand, nine hundred twenty-one".