12051403 has 12 divisors (see below), whose sum is σ = 15098160. Its totient is φ = 9534672.

The previous prime is 12051397. The next prime is 12051407. The reversal of 12051403 is 30415021.

12051403 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12051403 - 2¹³ = 12043211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12051407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8823 + ... + 10096.

It is an arithmetic number, because the mean of its divisors is an integer number (1258180).

Almost surely, 2^12051403 is an apocalyptic number.

12051403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12051403 is a deficient number, since it is larger than the sum of its proper divisors (3046757).

12051403 is a wasteful number, since it uses less digits than its factorization.

12051403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18946 (or 18939 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12051403 is about 3471.5130706941. The cubic root of 12051403 is about 229.2692814426.

Adding to 12051403 its reverse (30415021), we get a palindrome (42466424).

The spelling of 12051403 in words is "twelve million, fifty-one thousand, four hundred three".