11829397 has 4 divisors (see below), whose sum is σ = 11845216. Its totient is φ = 11813580.

The previous prime is 11829373. The next prime is 11829401. The reversal of 11829397 is 79392811.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79392811 = 19 ⋅4178569.

It is a cyclic number.

It is not a de Polignac number, because 11829397 - 2⁷ = 11829269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11829497) 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, 6729 + ... + 8302.

It is an arithmetic number, because the mean of its divisors is an integer number (2961304).

Almost surely, 2^11829397 is an apocalyptic number.

It is an amenable number.

11829397 is a deficient number, since it is larger than the sum of its proper divisors (15819).

11829397 is an equidigital number, since it uses as much as digits as its factorization.

11829397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15818.

The product of its digits is 27216, while the sum is 40.

The square root of 11829397 is about 3439.3890445834. The cubic root of 11829397 is about 227.8527121467.

The spelling of 11829397 in words is "eleven million, eight hundred twenty-nine thousand, three hundred ninety-seven".