11474721 has 12 divisors (see below), whose sum is σ = 16927872. Its totient is φ = 7486776.

The previous prime is 11474719. The next prime is 11474731. The reversal of 11474721 is 12747411.

11474721 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11474721 - 2¹ = 11474719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11474731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13141 + ... + 13986.

It is an arithmetic number, because the mean of its divisors is an integer number (1410656).

Almost surely, 2^11474721 is an apocalyptic number.

It is an amenable number.

11474721 is a deficient number, since it is larger than the sum of its proper divisors (5453151).

11474721 is a wasteful number, since it uses less digits than its factorization.

11474721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27180 (or 27177 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 11474721 is about 3387.4357558484. The cubic root of 11474721 is about 225.5523613950.

The spelling of 11474721 in words is "eleven million, four hundred seventy-four thousand, seven hundred twenty-one".