12189703 has 2 divisors, whose sum is σ = 12189704. Its totient is φ = 12189702.

The previous prime is 12189677. The next prime is 12189733. The reversal of 12189703 is 30798121.

It is a weak prime.

It is an emirp because it is prime and its reverse (30798121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12189703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12189733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6094851 + 6094852.

It is an arithmetic number, because the mean of its divisors is an integer number (6094852).

Almost surely, 2^12189703 is an apocalyptic number.

12189703 is a deficient number, since it is larger than the sum of its proper divisors (1).

12189703 is an equidigital number, since it uses as much as digits as its factorization.

12189703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 12189703 is about 3491.3755168987. The cubic root of 12189703 is about 230.1429671943.

The spelling of 12189703 in words is "twelve million, one hundred eighty-nine thousand, seven hundred three".