11657361 has 4 divisors (see below), whose sum is σ = 15543152. Its totient is φ = 7771572.

The previous prime is 11657357. The next prime is 11657377. The reversal of 11657361 is 16375611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11657361 - 2² = 11657357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11657311) 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, 1942891 + ... + 1942896.

It is an arithmetic number, because the mean of its divisors is an integer number (3885788).

Almost surely, 2^11657361 is an apocalyptic number.

It is an amenable number.

11657361 is a deficient number, since it is larger than the sum of its proper divisors (3885791).

11657361 is an equidigital number, since it uses as much as digits as its factorization.

11657361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885790.

The product of its digits is 3780, while the sum is 30.

The square root of 11657361 is about 3414.2877734602. The cubic root of 11657361 is about 226.7427529555.

The spelling of 11657361 in words is "eleven million, six hundred fifty-seven thousand, three hundred sixty-one".