12141439 has 8 divisors (see below), whose sum is σ = 12530880. Its totient is φ = 11755296.

The previous prime is 12141427. The next prime is 12141443. The reversal of 12141439 is 93414121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12141439 - 2⁵ = 12141407 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 (12141449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8157 + ... + 9529.

It is an arithmetic number, because the mean of its divisors is an integer number (1566360).

Almost surely, 2^12141439 is an apocalyptic number.

12141439 is a deficient number, since it is larger than the sum of its proper divisors (389441).

12141439 is a wasteful number, since it uses less digits than its factorization.

12141439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its digits is 864, while the sum is 25.

The square root of 12141439 is about 3484.4567725831. The cubic root of 12141439 is about 229.8388221750.

The spelling of 12141439 in words is "twelve million, one hundred forty-one thousand, four hundred thirty-nine".