1233906 has 8 divisors (see below), whose sum is σ = 2467824. Its totient is φ = 411300.

The previous prime is 1233899. The next prime is 1233907. The reversal of 1233906 is 6093321.

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

1233906 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1233907) 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, 102820 + ... + 102831.

It is an arithmetic number, because the mean of its divisors is an integer number (308478).

2^1233906 is an apocalyptic number.

1233906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1233906 is a wasteful number, since it uses less digits than its factorization.

1233906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205656.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 1233906 is about 1110.8132156218. The cubic root of 1233906 is about 107.2574231038.

The spelling of 1233906 in words is "one million, two hundred thirty-three thousand, nine hundred six".