11697129 has 10 divisors (see below), whose sum is σ = 17473610. Its totient is φ = 7798032.

The previous prime is 11697109. The next prime is 11697131. The reversal of 11697129 is 92179611.

It can be written as a sum of positive squares in only one way, i.e., 11696400 + 729 = 3420^2 + 27^2 .

It is not a de Polignac number, because 11697129 - 2⁵ = 11697097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11697093 and 11697102.

It is not an unprimeable number, because it can be changed into a prime (11697109) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 72124 + ... + 72285.

It is an arithmetic number, because the mean of its divisors is an integer number (1747361).

Almost surely, 2^11697129 is an apocalyptic number.

It is an amenable number.

11697129 is a deficient number, since it is larger than the sum of its proper divisors (5776481).

11697129 is an equidigital number, since it uses as much as digits as its factorization.

11697129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144421 (or 144412 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 11697129 is about 3420.1065772867. The cubic root of 11697129 is about 227.0002975667. Note that the first 3 decimals are identical.

The spelling of 11697129 in words is "eleven million, six hundred ninety-seven thousand, one hundred twenty-nine".