12240959 has 4 divisors (see below), whose sum is σ = 12885240. Its totient is φ = 11596680.

The previous prime is 12240953. The next prime is 12240973. The reversal of 12240959 is 95904221.

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 12240959 - 2⁸ = 12240703 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 (12240953) 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, 322112 + ... + 322149.

It is an arithmetic number, because the mean of its divisors is an integer number (3221310).

Almost surely, 2^12240959 is an apocalyptic number.

12240959 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12240959 is a deficient number, since it is larger than the sum of its proper divisors (644281).

12240959 is an equidigital number, since it uses as much as digits as its factorization.

12240959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644280.

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

The square root of 12240959 is about 3498.7081901753. The cubic root of 12240959 is about 230.4650891427.

The spelling of 12240959 in words is "twelve million, two hundred forty thousand, nine hundred fifty-nine".