11672399 has 4 divisors (see below), whose sum is σ = 12048960. Its totient is φ = 11295840.

The previous prime is 11672389. The next prime is 11672407. The reversal of 11672399 is 99327611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99327611 = 19 ⋅5227769.

It is a cyclic number.

It is not a de Polignac number, because 11672399 - 2¹² = 11668303 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 (11672389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188234 + ... + 188295.

It is an arithmetic number, because the mean of its divisors is an integer number (3012240).

Almost surely, 2^11672399 is an apocalyptic number.

11672399 is a deficient number, since it is larger than the sum of its proper divisors (376561).

11672399 is an equidigital number, since it uses as much as digits as its factorization.

11672399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376560.

The product of its digits is 20412, while the sum is 38.

The square root of 11672399 is about 3416.4892799481. The cubic root of 11672399 is about 226.8402104725.

The spelling of 11672399 in words is "eleven million, six hundred seventy-two thousand, three hundred ninety-nine".