12278003 has 2 divisors, whose sum is σ = 12278004. Its totient is φ = 12278002.

The previous prime is 12277981. The next prime is 12278011. The reversal of 12278003 is 30087221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12278003 - 2⁶ = 12277939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12278003.

It is not a weakly prime, because it can be changed into another prime (12278023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6139001 + 6139002.

It is an arithmetic number, because the mean of its divisors is an integer number (6139002).

Almost surely, 2^12278003 is an apocalyptic number.

12278003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12278003 is an equidigital number, since it uses as much as digits as its factorization.

12278003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12278003 is about 3503.9981449767. The cubic root of 12278003 is about 230.6973354127.

It can be divided in two parts, 122 and 78003, that added together give a 7-th power (78125 = 5⁷).

The spelling of 12278003 in words is "twelve million, two hundred seventy-eight thousand, three".