11477749 has 4 divisors (see below), whose sum is σ = 11579436. Its totient is φ = 11376064.

The previous prime is 11477747. The next prime is 11477761. The reversal of 11477749 is 94777411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2537649 + 8940100 = 1593^2 + 2990^2 .

It is a cyclic number.

It is not a de Polignac number, because 11477749 - 2¹ = 11477747 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 (11477747) 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, 50674 + ... + 50899.

It is an arithmetic number, because the mean of its divisors is an integer number (2894859).

Almost surely, 2^11477749 is an apocalyptic number.

It is an amenable number.

11477749 is a deficient number, since it is larger than the sum of its proper divisors (101687).

11477749 is a wasteful number, since it uses less digits than its factorization.

11477749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101686.

The product of its digits is 49392, while the sum is 40.

The square root of 11477749 is about 3387.8826721125. The cubic root of 11477749 is about 225.5721995676.

The spelling of 11477749 in words is "eleven million, four hundred seventy-seven thousand, seven hundred forty-nine".