11331477 has 6 divisors (see below), whose sum is σ = 16367702. Its totient is φ = 7554312.

The previous prime is 11331473. The next prime is 11331491. The reversal of 11331477 is 77413311.

It can be written as a sum of positive squares in only one way, i.e., 11329956 + 1521 = 3366^2 + 39^2 .

It is not a de Polignac number, because 11331477 - 2² = 11331473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11331477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629518 + ... + 629535.

Almost surely, 2^11331477 is an apocalyptic number.

It is an amenable number.

11331477 is a deficient number, since it is larger than the sum of its proper divisors (5036225).

11331477 is a wasteful number, since it uses less digits than its factorization.

11331477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259059 (or 1259056 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 11331477 is about 3366.2259282466. The cubic root of 11331477 is about 224.6098720956.

Adding to 11331477 its reverse (77413311), we get a palindrome (88744788).

The spelling of 11331477 in words is "eleven million, three hundred thirty-one thousand, four hundred seventy-seven".