11634541 has 4 divisors (see below), whose sum is σ = 11642400. Its totient is φ = 11626684.

The previous prime is 11634533. The next prime is 11634547. The reversal of 11634541 is 14543611.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11634541 - 2³ = 11634533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11634547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961 + ... + 4918.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^11634541 is an apocalyptic number.

It is an amenable number.

11634541 is a deficient number, since it is larger than the sum of its proper divisors (7859).

11634541 is an equidigital number, since it uses as much as digits as its factorization.

11634541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858.

The product of its digits is 1440, while the sum is 25.

The square root of 11634541 is about 3410.9442974050. The cubic root of 11634541 is about 226.5947020197.

The spelling of 11634541 in words is "eleven million, six hundred thirty-four thousand, five hundred forty-one".