12303906 has 32 divisors (see below), whose sum is σ = 26612160. Its totient is φ = 3779136.

The previous prime is 12303881. The next prime is 12303911. The reversal of 12303906 is 60930321.

It is a super-2 number, since 2×12303906² = 302772205713672, which contains 22 as substring.

It is a Curzon number.

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2760 + ... + 5676.

It is an arithmetic number, because the mean of its divisors is an integer number (831630).

Almost surely, 2^12303906 is an apocalyptic number.

12303906 is an abundant number, since it is smaller than the sum of its proper divisors (14308254).

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

12303906 is a wasteful number, since it uses less digits than its factorization.

12303906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978.

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

The square root of 12303906 is about 3507.6924038462. The cubic root of 12303906 is about 230.8594561211.

The spelling of 12303906 in words is "twelve million, three hundred three thousand, nine hundred six".