14853721 has 2 divisors, whose sum is σ = 14853722. Its totient is φ = 14853720.

The previous prime is 14853691. The next prime is 14853731. The reversal of 14853721 is 12735841.

14853721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14784025 + 69696 = 3845^2 + 264^2 .

It is an emirp because it is prime and its reverse (12735841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14853721 - 2¹³ = 14845529 is a prime.

It is not a weakly prime, because it can be changed into another prime (14853731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7426860 + 7426861.

It is an arithmetic number, because the mean of its divisors is an integer number (7426861).

Almost surely, 2^14853721 is an apocalyptic number.

It is an amenable number.

14853721 is a deficient number, since it is larger than the sum of its proper divisors (1).

14853721 is an equidigital number, since it uses as much as digits as its factorization.

14853721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 14853721 is about 3854.0525424545. The cubic root of 14853721 is about 245.8169093946.

The spelling of 14853721 in words is "fourteen million, eight hundred fifty-three thousand, seven hundred twenty-one".