11071477 has 4 divisors (see below), whose sum is σ = 11080876. Its totient is φ = 11062080.

The previous prime is 11071451. The next prime is 11071493. The reversal of 11071477 is 77417011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5716881 + 5354596 = 2391^2 + 2314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11071477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11071877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2628 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (2770219).

Almost surely, 2^11071477 is an apocalyptic number.

It is an amenable number.

11071477 is a deficient number, since it is larger than the sum of its proper divisors (9399).

11071477 is an equidigital number, since it uses as much as digits as its factorization.

11071477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9398.

The product of its (nonzero) digits is 1372, while the sum is 28.

The square root of 11071477 is about 3327.3829055280. The cubic root of 11071477 is about 222.8786767919.

Adding to 11071477 its reverse (77417011), we get a palindrome (88488488).

The spelling of 11071477 in words is "eleven million, seventy-one thousand, four hundred seventy-seven".