11275709 has 8 divisors (see below), whose sum is σ = 11975040. Its totient is φ = 10580416.

The previous prime is 11275669. The next prime is 11275711. The reversal of 11275709 is 90757211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11275709 is a prime.

It is a super-2 number, since 2×11275709² = 254283226905362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11275729) 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, 6332 + ... + 7914.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^11275709 is an apocalyptic number.

It is an amenable number.

11275709 is a deficient number, since it is larger than the sum of its proper divisors (699331).

11275709 is a wasteful number, since it uses less digits than its factorization.

11275709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 11275709 is about 3357.9322506566. The cubic root of 11275709 is about 224.2407925620.

The spelling of 11275709 in words is "eleven million, two hundred seventy-five thousand, seven hundred nine".