11257705 has 8 divisors (see below), whose sum is σ = 13672512. Its totient is φ = 8897328.

The previous prime is 11257679. The next prime is 11257711. The reversal of 11257705 is 50775211.

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-11257705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13149 + ... + 13978.

It is an arithmetic number, because the mean of its divisors is an integer number (1709064).

Almost surely, 2^11257705 is an apocalyptic number.

It is an amenable number.

11257705 is a deficient number, since it is larger than the sum of its proper divisors (2414807).

11257705 is an equidigital number, since it uses as much as digits as its factorization.

11257705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27215.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 11257705 is about 3355.2503632367. The cubic root of 11257705 is about 224.1213800592.

The spelling of 11257705 in words is "eleven million, two hundred fifty-seven thousand, seven hundred five".