11471749 has 2 divisors, whose sum is σ = 11471750. Its totient is φ = 11471748.

The previous prime is 11471743. The next prime is 11471771. The reversal of 11471749 is 94717411.

11471749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9828225 + 1643524 = 3135^2 + 1282^2 .

It is a cyclic number.

It is not a de Polignac number, because 11471749 - 2²³ = 3083141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11471743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735874 + 5735875.

It is an arithmetic number, because the mean of its divisors is an integer number (5735875).

Almost surely, 2^11471749 is an apocalyptic number.

It is an amenable number.

11471749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11471749 is an equidigital number, since it uses as much as digits as its factorization.

11471749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 34.

The square root of 11471749 is about 3386.9970475334. The cubic root of 11471749 is about 225.5328867167.

The spelling of 11471749 in words is "eleven million, four hundred seventy-one thousand, seven hundred forty-nine".