12269638 has 8 divisors (see below), whose sum is σ = 18419832. Its totient is φ = 6129696.

The previous prime is 12269623. The next prime is 12269651. The reversal of 12269638 is 83696221.

12269638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12269597 and 12269606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2206 + ... + 5422.

It is an arithmetic number, because the mean of its divisors is an integer number (2302479).

Almost surely, 2^12269638 is an apocalyptic number.

12269638 is a deficient number, since it is larger than the sum of its proper divisors (6150194).

12269638 is a wasteful number, since it uses less digits than its factorization.

12269638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126.

The product of its digits is 31104, while the sum is 37.

The square root of 12269638 is about 3502.8043051247. The cubic root of 12269638 is about 230.6449321668.

The spelling of 12269638 in words is "twelve million, two hundred sixty-nine thousand, six hundred thirty-eight".