12051493 has 2 divisors, whose sum is σ = 12051494. Its totient is φ = 12051492.

The previous prime is 12051463. The next prime is 12051509. The reversal of 12051493 is 39415021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11985444 + 66049 = 3462^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 12051493 - 2²¹ = 9954341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12051433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6025746 + 6025747.

It is an arithmetic number, because the mean of its divisors is an integer number (6025747).

Almost surely, 2^12051493 is an apocalyptic number.

It is an amenable number.

12051493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12051493 is an equidigital number, since it uses as much as digits as its factorization.

12051493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 12051493 is about 3471.5260333173. The cubic root of 12051493 is about 229.2698521696.

It can be divided in two parts, 12051 and 493, that added together give a square (12544 = 112²).

The spelling of 12051493 in words is "twelve million, fifty-one thousand, four hundred ninety-three".