12139063 has 4 divisors (see below), whose sum is σ = 12211920. Its totient is φ = 12066208.

The previous prime is 12139051. The next prime is 12139103. The reversal of 12139063 is 36093121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12139063 - 2⁹ = 12138551 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 (12139013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36178 + ... + 36511.

It is an arithmetic number, because the mean of its divisors is an integer number (3052980).

Almost surely, 2^12139063 is an apocalyptic number.

12139063 is a deficient number, since it is larger than the sum of its proper divisors (72857).

12139063 is an equidigital number, since it uses as much as digits as its factorization.

12139063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72856.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 12139063 is about 3484.1158132301. The cubic root of 12139063 is about 229.8238285467.

The spelling of 12139063 in words is "twelve million, one hundred thirty-nine thousand, sixty-three".