14955821 has 2 divisors, whose sum is σ = 14955822. Its totient is φ = 14955820.

The previous prime is 14955803. The next prime is 14955839. The reversal of 14955821 is 12855941.

14955821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (14955803) and next prime (14955839).

It can be written as a sum of positive squares in only one way, i.e., 7590025 + 7365796 = 2755^2 + 2714^2 .

It is a cyclic number.

It is not a de Polignac number, because 14955821 - 2⁶ = 14955757 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14955841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7477910 + 7477911.

It is an arithmetic number, because the mean of its divisors is an integer number (7477911).

Almost surely, 2^14955821 is an apocalyptic number.

It is an amenable number.

14955821 is a deficient number, since it is larger than the sum of its proper divisors (1).

14955821 is an equidigital number, since it uses as much as digits as its factorization.

14955821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 35.

The square root of 14955821 is about 3867.2756560659. The cubic root of 14955821 is about 246.3788475985.

The spelling of 14955821 in words is "fourteen million, nine hundred fifty-five thousand, eight hundred twenty-one".