11447801 has 2 divisors, whose sum is σ = 11447802. Its totient is φ = 11447800.

The previous prime is 11447789. The next prime is 11447869. The reversal of 11447801 is 10874411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10240000 + 1207801 = 3200^2 + 1099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11447801 is a prime.

It is not a weakly prime, because it can be changed into another prime (11447701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5723900 + 5723901.

It is an arithmetic number, because the mean of its divisors is an integer number (5723901).

Almost surely, 2^11447801 is an apocalyptic number.

It is an amenable number.

11447801 is a deficient number, since it is larger than the sum of its proper divisors (1).

11447801 is an equidigital number, since it uses as much as digits as its factorization.

11447801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 11447801 is about 3383.4599155303. The cubic root of 11447801 is about 225.3758393392.

The spelling of 11447801 in words is "eleven million, four hundred forty-seven thousand, eight hundred one".