11478071 has 8 divisors (see below), whose sum is σ = 13180800. Its totient is φ = 9885240.

The previous prime is 11478067. The next prime is 11478079. The reversal of 11478071 is 17087411.

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

It is a cyclic number.

It is not a de Polignac number, because 11478071 - 2² = 11478067 is a prime.

It is a super-2 number, since 2×11478071² = 263492227762082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11478079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27251 + ... + 27668.

It is an arithmetic number, because the mean of its divisors is an integer number (1647600).

Almost surely, 2^11478071 is an apocalyptic number.

11478071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11478071 is a deficient number, since it is larger than the sum of its proper divisors (1702729).

11478071 is a wasteful number, since it uses less digits than its factorization.

11478071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54949.

The product of its (nonzero) digits is 1568, while the sum is 29.

The square root of 11478071 is about 3387.9301940861. The cubic root of 11478071 is about 225.5743089698.

The spelling of 11478071 in words is "eleven million, four hundred seventy-eight thousand, seventy-one".