12146903 has 2 divisors, whose sum is σ = 12146904. Its totient is φ = 12146902.

The previous prime is 12146881. The next prime is 12146917. The reversal of 12146903 is 30964121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12146903 - 2⁶ = 12146839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12146963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073451 + 6073452.

It is an arithmetic number, because the mean of its divisors is an integer number (6073452).

Almost surely, 2^12146903 is an apocalyptic number.

12146903 is a deficient number, since it is larger than the sum of its proper divisors (1).

12146903 is an equidigital number, since it uses as much as digits as its factorization.

12146903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 12146903 is about 3485.2407377396. The cubic root of 12146903 is about 229.8732950515.

The spelling of 12146903 in words is "twelve million, one hundred forty-six thousand, nine hundred three".