12403012 has 12 divisors (see below), whose sum is σ = 21908880. Its totient is φ = 6143336.

The previous prime is 12403009. The next prime is 12403019. The reversal of 12403012 is 21030421.

It is a junction number, because it is equal to n+sod(n) for n = 12402983 and 12403001.

It is not an unprimeable number, because it can be changed into a prime (12403019) 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, 14062 + ... + 14917.

It is an arithmetic number, because the mean of its divisors is an integer number (1825740).

Almost surely, 2^12403012 is an apocalyptic number.

It is an amenable number.

12403012 is a deficient number, since it is larger than the sum of its proper divisors (9505868).

12403012 is a wasteful number, since it uses less digits than its factorization.

12403012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29090 (or 29088 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12403012 is about 3521.7910216252. The cubic root of 12403012 is about 231.4776446403.

Adding to 12403012 its reverse (21030421), we get a palindrome (33433433).

The spelling of 12403012 in words is "twelve million, four hundred three thousand, twelve".