12056749 has 2 divisors, whose sum is σ = 12056750. Its totient is φ = 12056748.

The previous prime is 12056731. The next prime is 12056771. The reversal of 12056749 is 94765021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11854249 + 202500 = 3443^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 12056749 - 2¹⁷ = 11925677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12056729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6028374 + 6028375.

It is an arithmetic number, because the mean of its divisors is an integer number (6028375).

Almost surely, 2^12056749 is an apocalyptic number.

It is an amenable number.

12056749 is a deficient number, since it is larger than the sum of its proper divisors (1).

12056749 is an equidigital number, since it uses as much as digits as its factorization.

12056749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 12056749 is about 3472.2829665798. The cubic root of 12056749 is about 229.3031777003.

The spelling of 12056749 in words is "twelve million, fifty-six thousand, seven hundred forty-nine".