11439057 has 8 divisors (see below), whose sum is σ = 17430976. Its totient is φ = 6536592.

The previous prime is 11439053. The next prime is 11439059. The reversal of 11439057 is 75093411.

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

It is not a de Polignac number, because 11439057 - 2² = 11439053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11439053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272338 + ... + 272379.

It is an arithmetic number, because the mean of its divisors is an integer number (2178872).

Almost surely, 2^11439057 is an apocalyptic number.

It is an amenable number.

11439057 is a deficient number, since it is larger than the sum of its proper divisors (5991919).

11439057 is an equidigital number, since it uses as much as digits as its factorization.

11439057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544727.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 11439057 is about 3382.1675002874. The cubic root of 11439057 is about 225.3184429217.

The spelling of 11439057 in words is "eleven million, four hundred thirty-nine thousand, fifty-seven".