14435721 has 12 divisors (see below), whose sum is σ = 21295872. Its totient is φ = 9418776.

The previous prime is 14435719. The next prime is 14435723. The reversal of 14435721 is 12753441.

It is an interprime number because it is at equal distance from previous prime (14435719) and next prime (14435723).

It is not a de Polignac number, because 14435721 - 2¹ = 14435719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14435723) 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 11 ways as a sum of consecutive naturals, for example, 16641 + ... + 17486.

It is an arithmetic number, because the mean of its divisors is an integer number (1774656).

Almost surely, 2^14435721 is an apocalyptic number.

It is an amenable number.

14435721 is a deficient number, since it is larger than the sum of its proper divisors (6860151).

14435721 is a wasteful number, since it uses less digits than its factorization.

14435721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34180 (or 34177 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 14435721 is about 3799.4369319677. The cubic root of 14435721 is about 243.4890825413.

It can be divided in two parts, 144 and 35721, that multiplied together give a square (5143824 = 2268²).

The spelling of 14435721 in words is "fourteen million, four hundred thirty-five thousand, seven hundred twenty-one".