12303940 has 24 divisors (see below), whose sum is σ = 28187712. Its totient is φ = 4474080.

The previous prime is 12303911. The next prime is 12303953. The reversal of 12303940 is 4930321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27744 + ... + 28183.

It is an arithmetic number, because the mean of its divisors is an integer number (1174488).

Almost surely, 2^12303940 is an apocalyptic number.

12303940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12303940 is an abundant number, since it is smaller than the sum of its proper divisors (15883772).

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

12303940 is a wasteful number, since it uses less digits than its factorization.

12303940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55947 (or 55945 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 12303940 is about 3507.6972503339. The cubic root of 12303940 is about 230.8596687694.

The spelling of 12303940 in words is "twelve million, three hundred three thousand, nine hundred forty".