12202403 has 4 divisors (see below), whose sum is σ = 12211560. Its totient is φ = 12193248.

The previous prime is 12202381. The next prime is 12202423. The reversal of 12202403 is 30420221.

12202403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12202403 - 2⁶ = 12202339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12202423) 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, 2150 + ... + 5387.

It is an arithmetic number, because the mean of its divisors is an integer number (3052890).

Almost surely, 2^12202403 is an apocalyptic number.

12202403 is a deficient number, since it is larger than the sum of its proper divisors (9157).

12202403 is an equidigital number, since it uses as much as digits as its factorization.

12202403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9156.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12202403 is about 3493.1938108270. The cubic root of 12202403 is about 230.2228652638. Note that the first 3 decimals are identical.

Adding to 12202403 its reverse (30420221), we get a palindrome (42622624).

The spelling of 12202403 in words is "twelve million, two hundred two thousand, four hundred three".