11404447 has 2 divisors, whose sum is σ = 11404448. Its totient is φ = 11404446.

The previous prime is 11404423. The next prime is 11404483. The reversal of 11404447 is 74440411.

11404447 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 is a cyclic number.

It is not a de Polignac number, because 11404447 - 2⁷ = 11404319 is a prime.

It is a super-2 number, since 2×11404447² = 260122822751618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11404247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702223 + 5702224.

It is an arithmetic number, because the mean of its divisors is an integer number (5702224).

Almost surely, 2^11404447 is an apocalyptic number.

11404447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404447 is an equidigital number, since it uses as much as digits as its factorization.

11404447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 11404447 is about 3377.0470828817. The cubic root of 11404447 is about 225.0909722665.

Adding to 11404447 its reverse (74440411), we get a palindrome (85844858).

The spelling of 11404447 in words is "eleven million, four hundred four thousand, four hundred forty-seven".