11319901 has 2 divisors, whose sum is σ = 11319902. Its totient is φ = 11319900.

The previous prime is 11319883. The next prime is 11319923. The reversal of 11319901 is 10991311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9603801 + 1716100 = 3099^2 + 1310^2 .

It is an emirp because it is prime and its reverse (10991311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11319901 - 2⁹ = 11319389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11319961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5659950 + 5659951.

It is an arithmetic number, because the mean of its divisors is an integer number (5659951).

Almost surely, 2^11319901 is an apocalyptic number.

It is an amenable number.

11319901 is a deficient number, since it is larger than the sum of its proper divisors (1).

11319901 is an equidigital number, since it uses as much as digits as its factorization.

11319901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 25.

The square root of 11319901 is about 3364.5060558721. The cubic root of 11319901 is about 224.5333604523.

The spelling of 11319901 in words is "eleven million, three hundred nineteen thousand, nine hundred one".