11427647 has 8 divisors (see below), whose sum is σ = 14247552. Its totient is φ = 8904600.

The previous prime is 11427617. The next prime is 11427649. The reversal of 11427647 is 74672411.

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 11427647 - 2⁶ = 11427583 is a prime.

It is a super-2 number, since 2×11427647² = 261182231913218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11427649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74129 + ... + 74282.

It is an arithmetic number, because the mean of its divisors is an integer number (1780944).

Almost surely, 2^11427647 is an apocalyptic number.

11427647 is a deficient number, since it is larger than the sum of its proper divisors (2819905).

11427647 is a wasteful number, since it uses less digits than its factorization.

11427647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148429.

The product of its digits is 9408, while the sum is 32.

The square root of 11427647 is about 3380.4802913196. The cubic root of 11427647 is about 225.2435026333.

The spelling of 11427647 in words is "eleven million, four hundred twenty-seven thousand, six hundred forty-seven".