11533047 has 8 divisors (see below), whose sum is σ = 15481200. Its totient is φ = 7636800.

The previous prime is 11533043. The next prime is 11533079. The reversal of 11533047 is 74033511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11533047 - 2² = 11533043 is a prime.

It is a super-2 number, since 2×11533047² = 266022346208418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11533043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12454 + ... + 13347.

It is an arithmetic number, because the mean of its divisors is an integer number (1935150).

Almost surely, 2^11533047 is an apocalyptic number.

11533047 is a deficient number, since it is larger than the sum of its proper divisors (3948153).

11533047 is a wasteful number, since it uses less digits than its factorization.

11533047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25953.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 11533047 is about 3396.0340104304. The cubic root of 11533047 is about 225.9338765491.

Adding to 11533047 its reverse (74033511), we get a palindrome (85566558).

The spelling of 11533047 in words is "eleven million, five hundred thirty-three thousand, forty-seven".