11693257 has 4 divisors (see below), whose sum is σ = 11716740. Its totient is φ = 11669776.

The previous prime is 11693251. The next prime is 11693261. The reversal of 11693257 is 75239611.

11693257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75239611 = 37 ⋅2033503.

It can be written as a sum of positive squares in 2 ways, for example, as 8173881 + 3519376 = 2859^2 + 1876^2 .

It is a cyclic number.

It is not a de Polignac number, because 11693257 - 2¹¹ = 11691209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11693251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10978 + ... + 11995.

It is an arithmetic number, because the mean of its divisors is an integer number (2929185).

Almost surely, 2^11693257 is an apocalyptic number.

It is an amenable number.

11693257 is a deficient number, since it is larger than the sum of its proper divisors (23483).

11693257 is an equidigital number, since it uses as much as digits as its factorization.

11693257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23482.

The product of its digits is 11340, while the sum is 34.

The square root of 11693257 is about 3419.5404662030. The cubic root of 11693257 is about 226.9752474838.

The spelling of 11693257 in words is "eleven million, six hundred ninety-three thousand, two hundred fifty-seven".