12620203 has 2 divisors, whose sum is σ = 12620204. Its totient is φ = 12620202.

The previous prime is 12620149. The next prime is 12620207. The reversal of 12620203 is 30202621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12620203 is a prime.

It is a super-2 number, since 2×12620203² = 318539047522418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12620207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6310101 + 6310102.

It is an arithmetic number, because the mean of its divisors is an integer number (6310102).

Almost surely, 2^12620203 is an apocalyptic number.

12620203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12620203 is an equidigital number, since it uses as much as digits as its factorization.

12620203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12620203 is about 3552.4925052701. The cubic root of 12620203 is about 232.8209803346.

Adding to 12620203 its reverse (30202621), we get a palindrome (42822824).

The spelling of 12620203 in words is "twelve million, six hundred twenty thousand, two hundred three".