11708257 has 24 divisors (see below), whose sum is σ = 14146560. Its totient is φ = 9596160.

The previous prime is 11708239. The next prime is 11708267. The reversal of 11708257 is 75280711.

It is a happy number.

11708257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11708257 - 2⁷ = 11708129 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11708227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92128 + ... + 92254.

It is an arithmetic number, because the mean of its divisors is an integer number (589440).

Almost surely, 2^11708257 is an apocalyptic number.

11708257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11708257 is the 2794-th pentagonal number.

It is an amenable number.

11708257 is a deficient number, since it is larger than the sum of its proper divisors (2438303).

11708257 is a wasteful number, since it uses less digits than its factorization.

11708257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 11708257 is about 3421.7330404343. The cubic root of 11708257 is about 227.0722599170.

Adding to 11708257 its reverse (75280711), we get a palindrome (86988968).

The spelling of 11708257 in words is "eleven million, seven hundred eight thousand, two hundred fifty-seven".