14704721 has 4 divisors (see below), whose sum is σ = 14945844. Its totient is φ = 14463600.

The previous prime is 14704717. The next prime is 14704733. The reversal of 14704721 is 12740741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7756225 + 6948496 = 2785^2 + 2636^2 .

It is a cyclic number.

It is not a de Polignac number, because 14704721 - 2² = 14704717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14704741) 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, 120470 + ... + 120591.

It is an arithmetic number, because the mean of its divisors is an integer number (3736461).

Almost surely, 2^14704721 is an apocalyptic number.

It is an amenable number.

14704721 is a deficient number, since it is larger than the sum of its proper divisors (241123).

14704721 is an equidigital number, since it uses as much as digits as its factorization.

14704721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241122.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 14704721 is about 3834.6735193495. The cubic root of 14704721 is about 244.9922030005.

The spelling of 14704721 in words is "fourteen million, seven hundred four thousand, seven hundred twenty-one".