11611893 has 4 divisors (see below), whose sum is σ = 15482528. Its totient is φ = 7741260.

The previous prime is 11611871. The next prime is 11611927. The reversal of 11611893 is 39811611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11611893 - 2⁶ = 11611829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11611893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11611813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1935313 + ... + 1935318.

It is an arithmetic number, because the mean of its divisors is an integer number (3870632).

Almost surely, 2^11611893 is an apocalyptic number.

It is an amenable number.

11611893 is a deficient number, since it is larger than the sum of its proper divisors (3870635).

11611893 is an equidigital number, since it uses as much as digits as its factorization.

11611893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870634.

The product of its digits is 1296, while the sum is 30.

The square root of 11611893 is about 3407.6227784190. The cubic root of 11611893 is about 226.4475754485.

The spelling of 11611893 in words is "eleven million, six hundred eleven thousand, eight hundred ninety-three".