11347409 has 2 divisors, whose sum is σ = 11347410. Its totient is φ = 11347408.

The previous prime is 11347379. The next prime is 11347417. The reversal of 11347409 is 90474311.

11347409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5895184 + 5452225 = 2428^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 11347409 - 2⁸ = 11347153 is a prime.

It is not a weakly prime, because it can be changed into another prime (11347909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5673704 + 5673705.

It is an arithmetic number, because the mean of its divisors is an integer number (5673705).

Almost surely, 2^11347409 is an apocalyptic number.

It is an amenable number.

11347409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11347409 is an equidigital number, since it uses as much as digits as its factorization.

11347409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 11347409 is about 3368.5915454385. The cubic root of 11347409 is about 224.7150895850.

The spelling of 11347409 in words is "eleven million, three hundred forty-seven thousand, four hundred nine".