12159707 has 4 divisors (see below), whose sum is σ = 13896816. Its totient is φ = 10422600.

The previous prime is 12159703. The next prime is 12159731. The reversal of 12159707 is 70795121.

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 12159707 - 2² = 12159703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12159701) 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, 868544 + ... + 868557.

It is an arithmetic number, because the mean of its divisors is an integer number (3474204).

Almost surely, 2^12159707 is an apocalyptic number.

12159707 is a deficient number, since it is larger than the sum of its proper divisors (1737109).

12159707 is an equidigital number, since it uses as much as digits as its factorization.

12159707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737108.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 12159707 is about 3487.0771428232. The cubic root of 12159707 is about 229.9540361837.

The spelling of 12159707 in words is "twelve million, one hundred fifty-nine thousand, seven hundred seven".