11650801 has 2 divisors, whose sum is σ = 11650802. Its totient is φ = 11650800.

The previous prime is 11650741. The next prime is 11650829. The reversal of 11650801 is 10805611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11289600 + 361201 = 3360^2 + 601^2 .

It is an emirp because it is prime and its reverse (10805611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11650801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11650861) 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, 5825400 + 5825401.

It is an arithmetic number, because the mean of its divisors is an integer number (5825401).

Almost surely, 2^11650801 is an apocalyptic number.

11650801 is the 1825-th centered heptagonal number.

It is an amenable number.

11650801 is a deficient number, since it is larger than the sum of its proper divisors (1).

11650801 is an equidigital number, since it uses as much as digits as its factorization.

11650801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 11650801 is about 3413.3269693951. The cubic root of 11650801 is about 226.7002129800.

The spelling of 11650801 in words is "eleven million, six hundred fifty thousand, eight hundred one".