11421016 has 8 divisors (see below), whose sum is σ = 21414420. Its totient is φ = 5710504.

The previous prime is 11420971. The next prime is 11421017. The reversal of 11421016 is 61012411.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713806 + ... + 713821.

Almost surely, 2^11421016 is an apocalyptic number.

It is an amenable number.

11421016 is a deficient number, since it is larger than the sum of its proper divisors (9993404).

11421016 is a wasteful number, since it uses less digits than its factorization.

11421016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427633 (or 1427629 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 11421016 is about 3379.4993712087. The cubic root of 11421016 is about 225.1999276480.

Adding to 11421016 its reverse (61012411), we get a palindrome (72433427).

The spelling of 11421016 in words is "eleven million, four hundred twenty-one thousand, sixteen".