11391964 has 6 divisors (see below), whose sum is σ = 19935944. Its totient is φ = 5695980.

The previous prime is 11391953. The next prime is 11391977. The reversal of 11391964 is 46919311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1423992 + ... + 1423999.

Almost surely, 2^11391964 is an apocalyptic number.

It is an amenable number.

11391964 is a deficient number, since it is larger than the sum of its proper divisors (8543980).

11391964 is a wasteful number, since it uses less digits than its factorization.

11391964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847995 (or 2847993 counting only the distinct ones).

The product of its digits is 5832, while the sum is 34.

The square root of 11391964 is about 3375.1983645410. The cubic root of 11391964 is about 225.0088161155.

The spelling of 11391964 in words is "eleven million, three hundred ninety-one thousand, nine hundred sixty-four".