11345657 has 4 divisors (see below), whose sum is σ = 11559780. Its totient is φ = 11131536.

The previous prime is 11345629. The next prime is 11345683. The reversal of 11345657 is 75654311.

11345657 is digitally balanced in base 3, 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: 75654311 = 223 ⋅339257.

It can be written as a sum of positive squares in 2 ways, for example, as 10137856 + 1207801 = 3184^2 + 1099^2 .

It is a cyclic number.

It is not a de Polignac number, because 11345657 - 2⁸ = 11345401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11345627) 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, 106982 + ... + 107087.

It is an arithmetic number, because the mean of its divisors is an integer number (2889945).

Almost surely, 2^11345657 is an apocalyptic number.

It is an amenable number.

11345657 is a deficient number, since it is larger than the sum of its proper divisors (214123).

11345657 is an equidigital number, since it uses as much as digits as its factorization.

11345657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214122.

The product of its digits is 12600, while the sum is 32.

The square root of 11345657 is about 3368.3314860625. The cubic root of 11345657 is about 224.7035239168.

Adding to 11345657 its reverse (75654311), we get a palindrome (86999968).

The spelling of 11345657 in words is "eleven million, three hundred forty-five thousand, six hundred fifty-seven".