11648477 has 2 divisors, whose sum is σ = 11648478. Its totient is φ = 11648476.

The previous prime is 11648453. The next prime is 11648479. The reversal of 11648477 is 77484611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8357881 + 3290596 = 2891^2 + 1814^2 .

It is an emirp because it is prime and its reverse (77484611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11648477 - 2²² = 7454173 is a prime.

Together with 11648479, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11648477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11648479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5824238 + 5824239.

It is an arithmetic number, because the mean of its divisors is an integer number (5824239).

Almost surely, 2^11648477 is an apocalyptic number.

It is an amenable number.

11648477 is a deficient number, since it is larger than the sum of its proper divisors (1).

11648477 is an equidigital number, since it uses as much as digits as its factorization.

11648477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 38.

The square root of 11648477 is about 3412.9865220947. The cubic root of 11648477 is about 226.6851385850.

The spelling of 11648477 in words is "eleven million, six hundred forty-eight thousand, four hundred seventy-seven".