11797129 has 4 divisors (see below), whose sum is σ = 11814660. Its totient is φ = 11779600.

The previous prime is 11797073. The next prime is 11797139. The reversal of 11797129 is 92179711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92179711 = 13 ⋅7090747.

It can be written as a sum of positive squares in 2 ways, for example, as 4507129 + 7290000 = 2123^2 + 2700^2 .

It is a cyclic number.

It is not a de Polignac number, because 11797129 - 2⁷ = 11797001 is a prime.

It is a super-3 number, since 3×11797129³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11797139) 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, 7714 + ... + 9115.

It is an arithmetic number, because the mean of its divisors is an integer number (2953665).

Almost surely, 2^11797129 is an apocalyptic number.

It is an amenable number.

11797129 is a deficient number, since it is larger than the sum of its proper divisors (17531).

11797129 is an equidigital number, since it uses as much as digits as its factorization.

11797129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17530.

The product of its digits is 7938, while the sum is 37.

The square root of 11797129 is about 3434.6948918354. The cubic root of 11797129 is about 227.6453460776.

The spelling of 11797129 in words is "eleven million, seven hundred ninety-seven thousand, one hundred twenty-nine".