14961421 has 2 divisors, whose sum is σ = 14961422. Its totient is φ = 14961420.

The previous prime is 14961391. The next prime is 14961467. The reversal of 14961421 is 12416941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13032100 + 1929321 = 3610^2 + 1389^2 .

It is a cyclic number.

It is not a de Polignac number, because 14961421 - 2¹⁷ = 14830349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14961421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14961481) 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 as a sum of consecutive naturals, namely, 7480710 + 7480711.

It is an arithmetic number, because the mean of its divisors is an integer number (7480711).

Almost surely, 2^14961421 is an apocalyptic number.

It is an amenable number.

14961421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14961421 is an equidigital number, since it uses as much as digits as its factorization.

14961421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 14961421 is about 3867.9996122027. Note that the first 3 decimals coincide. The cubic root of 14961421 is about 246.4095948100.

The spelling of 14961421 in words is "fourteen million, nine hundred sixty-one thousand, four hundred twenty-one".