11427621 has 8 divisors (see below), whose sum is σ = 16133184. Its totient is φ = 7170240.

The previous prime is 11427617. The next prime is 11427649. The reversal of 11427621 is 12672411.

11427621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11427621 - 2² = 11427617 is a prime.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 11427591 and 11427600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11427671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111985 + ... + 112086.

It is an arithmetic number, because the mean of its divisors is an integer number (2016648).

Almost surely, 2^11427621 is an apocalyptic number.

It is an amenable number.

11427621 is a deficient number, since it is larger than the sum of its proper divisors (4705563).

11427621 is a wasteful number, since it uses less digits than its factorization.

11427621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224091.

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

The square root of 11427621 is about 3380.4764457100. The cubic root of 11427621 is about 225.2433318097.

The spelling of 11427621 in words is "eleven million, four hundred twenty-seven thousand, six hundred twenty-one".