14926721 has 4 divisors (see below), whose sum is σ = 14959152. Its totient is φ = 14894292.

The previous prime is 14926711. The next prime is 14926727. The reversal of 14926721 is 12762941.

It is a happy number.

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: 12762941 = 373 ⋅34217.

It is a cyclic number.

It is not a de Polignac number, because 14926721 - 2¹⁸ = 14664577 is a prime.

It is a super-3 number, since 3×14926721³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14926727) 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 3 ways as a sum of consecutive naturals, for example, 15515 + ... + 16448.

It is an arithmetic number, because the mean of its divisors is an integer number (3739788).

Almost surely, 2^14926721 is an apocalyptic number.

It is an amenable number.

14926721 is a deficient number, since it is larger than the sum of its proper divisors (32431).

14926721 is an equidigital number, since it uses as much as digits as its factorization.

14926721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32430.

The product of its digits is 6048, while the sum is 32.

The square root of 14926721 is about 3863.5114856824. The cubic root of 14926721 is about 246.2189482177.

The spelling of 14926721 in words is "fourteen million, nine hundred twenty-six thousand, seven hundred twenty-one".