11491596 has 18 divisors (see below), whose sum is σ = 29048292. Its totient is φ = 3830520.

The previous prime is 11491583. The next prime is 11491633. The reversal of 11491596 is 69519411.

11491596 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 a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 319211 = 11491596 / (1 + 1 + 4 + 9 + 1 + 5 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 11491596.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159570 + ... + 159641.

It is an arithmetic number, because the mean of its divisors is an integer number (1613794).

Almost surely, 2^11491596 is an apocalyptic number.

It is an amenable number.

11491596 is an abundant number, since it is smaller than the sum of its proper divisors (17556696).

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

11491596 is a wasteful number, since it uses less digits than its factorization.

11491596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319221 (or 319216 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 11491596 is about 3389.9256629018. The cubic root of 11491596 is about 225.6628748095.

The spelling of 11491596 in words is "eleven million, four hundred ninety-one thousand, five hundred ninety-six".