11021964 has 12 divisors (see below), whose sum is σ = 25717944. Its totient is φ = 3673984.

The previous prime is 11021939. The next prime is 11021981. The reversal of 11021964 is 46912011.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459237 + ... + 459260.

It is an arithmetic number, because the mean of its divisors is an integer number (2143162).

Almost surely, 2^11021964 is an apocalyptic number.

It is an amenable number.

11021964 is an abundant number, since it is smaller than the sum of its proper divisors (14695980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021964 is a wasteful number, since it uses less digits than its factorization.

11021964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918504 (or 918502 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11021964 is about 3319.9343367000. The cubic root of 11021964 is about 222.5459333691.

Adding to 11021964 its reverse (46912011), we get a palindrome (57933975).

The spelling of 11021964 in words is "eleven million, twenty-one thousand, nine hundred sixty-four".