11380047 has 16 divisors (see below), whose sum is σ = 17552640. Its totient is φ = 6423552.

The previous prime is 11380037. The next prime is 11380073. The reversal of 11380047 is 74008311.

It is not a de Polignac number, because 11380047 - 2¹⁰ = 11379023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11379999 and 11380026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11380037) 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, 1522 + ... + 5007.

It is an arithmetic number, because the mean of its divisors is an integer number (1097040).

Almost surely, 2^11380047 is an apocalyptic number.

11380047 is a deficient number, since it is larger than the sum of its proper divisors (6172593).

11380047 is an equidigital number, since it uses as much as digits as its factorization.

11380047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 11380047 is about 3373.4325248921. The cubic root of 11380047 is about 224.9303290460.

Adding to 11380047 its reverse (74008311), we get a palindrome (85388358).

The spelling of 11380047 in words is "eleven million, three hundred eighty thousand, forty-seven".