11730641 has 4 divisors (see below), whose sum is σ = 12633012. Its totient is φ = 10828272.

The previous prime is 11730637. The next prime is 11730659. The reversal of 11730641 is 14603711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14603711 = 109 ⋅133979.

It can be written as a sum of positive squares in 2 ways, for example, as 1745041 + 9985600 = 1321^2 + 3160^2 .

It is not a de Polignac number, because 11730641 - 2² = 11730637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11730601) 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, 451166 + ... + 451191.

It is an arithmetic number, because the mean of its divisors is an integer number (3158253).

Almost surely, 2^11730641 is an apocalyptic number.

It is an amenable number.

11730641 is a deficient number, since it is larger than the sum of its proper divisors (902371).

11730641 is an equidigital number, since it uses as much as digits as its factorization.

11730641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902370.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 11730641 is about 3425.0023357656. The cubic root of 11730641 is about 227.2168743769.

The spelling of 11730641 in words is "eleven million, seven hundred thirty thousand, six hundred forty-one".