11439425 has 12 divisors (see below), whose sum is σ = 14932080. Its totient is φ = 8669520.

The previous prime is 11439413. The next prime is 11439431. The reversal of 11439425 is 52493411.

It is not a de Polignac number, because 11439425 - 2⁴ = 11439409 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11567 + ... + 12516.

It is an arithmetic number, because the mean of its divisors is an integer number (1244340).

Almost surely, 2^11439425 is an apocalyptic number.

It is an amenable number.

11439425 is a deficient number, since it is larger than the sum of its proper divisors (3492655).

11439425 is a wasteful number, since it uses less digits than its factorization.

11439425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24112 (or 24107 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 11439425 is about 3382.2219028325. The cubic root of 11439425 is about 225.3208590969.

The spelling of 11439425 in words is "eleven million, four hundred thirty-nine thousand, four hundred twenty-five".