11421727 has 4 divisors (see below), whose sum is σ = 11433760. Its totient is φ = 11409696.

The previous prime is 11421721. The next prime is 11421749. The reversal of 11421727 is 72712411.

11421727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11421727 - 2¹⁵ = 11388959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4458 + ... + 6535.

It is an arithmetic number, because the mean of its divisors is an integer number (2858440).

Almost surely, 2^11421727 is an apocalyptic number.

11421727 is a deficient number, since it is larger than the sum of its proper divisors (12033).

11421727 is a wasteful number, since it uses less digits than its factorization.

11421727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12032.

The product of its digits is 784, while the sum is 25.

The square root of 11421727 is about 3379.6045626671. The cubic root of 11421727 is about 225.2046007240.

It can be divided in two parts, 114217 and 27, that added together give a square (114244 = 338²).

The spelling of 11421727 in words is "eleven million, four hundred twenty-one thousand, seven hundred twenty-seven".