11087964 has 36 divisors (see below), whose sum is σ = 28452424. Its totient is φ = 3640032.

The previous prime is 11087959. The next prime is 11087969. The reversal of 11087964 is 46978011.

It is an interprime number because it is at equal distance from previous prime (11087959) and next prime (11087969).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11087969) 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, 114 + ... + 4710.

Almost surely, 2^11087964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11087964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14226212).

11087964 is an abundant number, since it is smaller than the sum of its proper divisors (17364460).

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

11087964 is a wasteful number, since it uses less digits than its factorization.

11087964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674 (or 4669 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 11087964 is about 3329.8594564936. The cubic root of 11087964 is about 222.9892545782.

The spelling of 11087964 in words is "eleven million, eighty-seven thousand, nine hundred sixty-four".