11672889 has 4 divisors (see below), whose sum is σ = 15563856. Its totient is φ = 7781924.

The previous prime is 11672851. The next prime is 11672893. The reversal of 11672889 is 98827611.

11672889 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 11672889 - 2¹⁶ = 11607353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11672889.

It is not an unprimeable number, because it can be changed into a prime (11672839) 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, 1945479 + ... + 1945484.

It is an arithmetic number, because the mean of its divisors is an integer number (3890964).

Almost surely, 2^11672889 is an apocalyptic number.

It is an amenable number.

11672889 is a deficient number, since it is larger than the sum of its proper divisors (3890967).

11672889 is an equidigital number, since it uses as much as digits as its factorization.

11672889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890966.

The product of its digits is 48384, while the sum is 42.

The square root of 11672889 is about 3416.5609902356. The cubic root of 11672889 is about 226.8433846314.

It can be divided in two parts, 11672 and 889, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 11672889 in words is "eleven million, six hundred seventy-two thousand, eight hundred eighty-nine".