11412439 has 4 divisors (see below), whose sum is σ = 11908656. Its totient is φ = 10916224.

The previous prime is 11412431. The next prime is 11412463. The reversal of 11412439 is 93421411.

It is a happy number.

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 11412439 - 2³ = 11412431 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 (11412431) 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, 248074 + ... + 248119.

It is an arithmetic number, because the mean of its divisors is an integer number (2977164).

Almost surely, 2^11412439 is an apocalyptic number.

11412439 is a deficient number, since it is larger than the sum of its proper divisors (496217).

11412439 is an equidigital number, since it uses as much as digits as its factorization.

11412439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496216.

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

The square root of 11412439 is about 3378.2301579377. The cubic root of 11412439 is about 225.1435396845.

The spelling of 11412439 in words is "eleven million, four hundred twelve thousand, four hundred thirty-nine".