11705149 has 4 divisors (see below), whose sum is σ = 11764764. Its totient is φ = 11645536.

The previous prime is 11705147. The next prime is 11705167. The reversal of 11705149 is 94150711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94150711 = 863 ⋅109097.

It can be written as a sum of positive squares in 2 ways, for example, as 10517049 + 1188100 = 3243^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 11705149 - 2¹ = 11705147 is a prime.

It is a super-2 number, since 2×11705149² = 274021026224402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11705147) 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, 29512 + ... + 29905.

It is an arithmetic number, because the mean of its divisors is an integer number (2941191).

Almost surely, 2^11705149 is an apocalyptic number.

It is an amenable number.

11705149 is a deficient number, since it is larger than the sum of its proper divisors (59615).

11705149 is an equidigital number, since it uses as much as digits as its factorization.

11705149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59614.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 11705149 is about 3421.2788544636. The cubic root of 11705149 is about 227.0521657492.

The spelling of 11705149 in words is "eleven million, seven hundred five thousand, one hundred forty-nine".