12158703 has 12 divisors (see below), whose sum is σ = 17851288. Its totient is φ = 7972560.

The previous prime is 12158693. The next prime is 12158711. The reversal of 12158703 is 30785121.

It is not a de Polignac number, because 12158703 - 2¹⁰ = 12157679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12158203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10525 + ... + 11622.

Almost surely, 2^12158703 is an apocalyptic number.

12158703 is a deficient number, since it is larger than the sum of its proper divisors (5692585).

12158703 is a wasteful number, since it uses less digits than its factorization.

12158703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22214 (or 22211 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 12158703 is about 3486.9331797441. The cubic root of 12158703 is about 229.9477070782.

The spelling of 12158703 in words is "twelve million, one hundred fifty-eight thousand, seven hundred three".