11691094 has 4 divisors (see below), whose sum is σ = 17536644. Its totient is φ = 5845546.

The previous prime is 11691091. The next prime is 11691101. The reversal of 11691094 is 49019611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49019611 = 307 ⋅159673.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11691091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2922772 + ... + 2922775.

It is an arithmetic number, because the mean of its divisors is an integer number (4384161).

Almost surely, 2^11691094 is an apocalyptic number.

11691094 is a deficient number, since it is larger than the sum of its proper divisors (5845550).

11691094 is an equidigital number, since it uses as much as digits as its factorization.

11691094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5845549.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 11691094 is about 3419.2241810095. The cubic root of 11691094 is about 226.9612514479.

The spelling of 11691094 in words is "eleven million, six hundred ninety-one thousand, ninety-four".