12042959 has 4 divisors (see below), whose sum is σ = 12058416. Its totient is φ = 12027504.

The previous prime is 12042931. The next prime is 12042983. The reversal of 12042959 is 95924021.

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 12042959 - 2¹⁶ = 11977423 is a prime.

It is a super-2 number, since 2×12042959² = 290065722951362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042059) 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, 6494 + ... + 8139.

It is an arithmetic number, because the mean of its divisors is an integer number (3014604).

Almost surely, 2^12042959 is an apocalyptic number.

12042959 is a deficient number, since it is larger than the sum of its proper divisors (15457).

12042959 is an equidigital number, since it uses as much as digits as its factorization.

12042959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15456.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 12042959 is about 3470.2966731967. The cubic root of 12042959 is about 229.2157219209.

The spelling of 12042959 in words is "twelve million, forty-two thousand, nine hundred fifty-nine".