11215693 has 2 divisors, whose sum is σ = 11215694. Its totient is φ = 11215692.

The previous prime is 11215679. The next prime is 11215703. The reversal of 11215693 is 39651211.

11215693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10259209 + 956484 = 3203^2 + 978^2 .

It is a cyclic number.

It is not a de Polignac number, because 11215693 - 2²¹ = 9118541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11215993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607846 + 5607847.

It is an arithmetic number, because the mean of its divisors is an integer number (5607847).

Almost surely, 2^11215693 is an apocalyptic number.

It is an amenable number.

11215693 is a deficient number, since it is larger than the sum of its proper divisors (1).

11215693 is an equidigital number, since it uses as much as digits as its factorization.

11215693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 28.

The square root of 11215693 is about 3348.9838757450. The cubic root of 11215693 is about 223.8422371814.

The spelling of 11215693 in words is "eleven million, two hundred fifteen thousand, six hundred ninety-three".