14491421 has 4 divisors (see below), whose sum is σ = 16561632. Its totient is φ = 12421212.

The previous prime is 14491397. The next prime is 14491427. The reversal of 14491421 is 12419441.

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: 12419441 = 59 ⋅210499.

It is a cyclic number.

It is not a de Polignac number, because 14491421 - 2¹⁰ = 14490397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14491427) 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, 1035095 + ... + 1035108.

It is an arithmetic number, because the mean of its divisors is an integer number (4140408).

Almost surely, 2^14491421 is an apocalyptic number.

It is an amenable number.

14491421 is a deficient number, since it is larger than the sum of its proper divisors (2070211).

14491421 is an equidigital number, since it uses as much as digits as its factorization.

14491421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070210.

The product of its digits is 1152, while the sum is 26.

The square root of 14491421 is about 3806.7599083735. The cubic root of 14491421 is about 243.8018468716.

The spelling of 14491421 in words is "fourteen million, four hundred ninety-one thousand, four hundred twenty-one".