11720029 has 2 divisors, whose sum is σ = 11720030. Its totient is φ = 11720028.

The previous prime is 11719999. The next prime is 11720039. The reversal of 11720029 is 92002711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 1954404 = 3125^2 + 1398^2 .

It is an emirp because it is prime and its reverse (92002711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11720029 - 2⁵ = 11719997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11719991 and 11720009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11720039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5860014 + 5860015.

It is an arithmetic number, because the mean of its divisors is an integer number (5860015).

Almost surely, 2^11720029 is an apocalyptic number.

It is an amenable number.

11720029 is a deficient number, since it is larger than the sum of its proper divisors (1).

11720029 is an equidigital number, since it uses as much as digits as its factorization.

11720029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 11720029 is about 3423.4527892173. The cubic root of 11720029 is about 227.1483372603.

The spelling of 11720029 in words is "eleven million, seven hundred twenty thousand, twenty-nine".