12153503 has 2 divisors, whose sum is σ = 12153504. Its totient is φ = 12153502.

The previous prime is 12153497. The next prime is 12153511. The reversal of 12153503 is 30535121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12153503 - 2⁸ = 12153247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12153553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6076751 + 6076752.

It is an arithmetic number, because the mean of its divisors is an integer number (6076752).

Almost surely, 2^12153503 is an apocalyptic number.

12153503 is a deficient number, since it is larger than the sum of its proper divisors (1).

12153503 is an equidigital number, since it uses as much as digits as its factorization.

12153503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 12153503 is about 3486.1874591020. The cubic root of 12153503 is about 229.9149212736.

Adding to 12153503 its reverse (30535121), we get a palindrome (42688624).

The spelling of 12153503 in words is "twelve million, one hundred fifty-three thousand, five hundred three".