11427649 has 2 divisors, whose sum is σ = 11427650. Its totient is φ = 11427648.

The previous prime is 11427617. The next prime is 11427659. The reversal of 11427649 is 94672411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11424400 + 3249 = 3380^2 + 57^2 .

It is a cyclic number.

It is not a de Polignac number, because 11427649 - 2⁵ = 11427617 is a prime.

It is not a weakly prime, because it can be changed into another prime (11427659) 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, 5713824 + 5713825.

It is an arithmetic number, because the mean of its divisors is an integer number (5713825).

Almost surely, 2^11427649 is an apocalyptic number.

It is an amenable number.

11427649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11427649 is an equidigital number, since it uses as much as digits as its factorization.

11427649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 11427649 is about 3380.4805871355. The cubic root of 11427649 is about 225.2435157735.

The spelling of 11427649 in words is "eleven million, four hundred twenty-seven thousand, six hundred forty-nine".