11933047 has 16 divisors (see below), whose sum is σ = 14221312. Its totient is φ = 9797760.

The previous prime is 11933039. The next prime is 11933057. The reversal of 11933047 is 74033911.

It is not a de Polignac number, because 11933047 - 2³ = 11933039 is a prime.

It is a super-2 number, since 2×11933047² = 284795221408418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11933017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27343 + ... + 27775.

It is an arithmetic number, because the mean of its divisors is an integer number (888832).

Almost surely, 2^11933047 is an apocalyptic number.

11933047 is a deficient number, since it is larger than the sum of its proper divisors (2288265).

11933047 is a wasteful number, since it uses less digits than its factorization.

11933047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 11933047 is about 3454.4242646207. The cubic root of 11933047 is about 228.5162649803.

Adding to 11933047 its reverse (74033911), we get a palindrome (85966958).

The spelling of 11933047 in words is "eleven million, nine hundred thirty-three thousand, forty-seven".