11742641 has 2 divisors, whose sum is σ = 11742642. Its totient is φ = 11742640.

The previous prime is 11742637. The next prime is 11742649. The reversal of 11742641 is 14624711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7311616 + 4431025 = 2704^2 + 2105^2 .

It is a cyclic number.

It is not a de Polignac number, because 11742641 - 2² = 11742637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11742641.

It is not a weakly prime, because it can be changed into another prime (11742649) 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 as a sum of consecutive naturals, namely, 5871320 + 5871321.

It is an arithmetic number, because the mean of its divisors is an integer number (5871321).

Almost surely, 2^11742641 is an apocalyptic number.

It is an amenable number.

11742641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11742641 is an equidigital number, since it uses as much as digits as its factorization.

11742641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 11742641 is about 3426.7537116052. The cubic root of 11742641 is about 227.2943260491.

The spelling of 11742641 in words is "eleven million, seven hundred forty-two thousand, six hundred forty-one".