11529997 has 2 divisors, whose sum is σ = 11529998. Its totient is φ = 11529996.

The previous prime is 11529989. The next prime is 11530019. The reversal of 11529997 is 79992511.

11529997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8213956 + 3316041 = 2866^2 + 1821^2 .

It is a cyclic number.

It is not a de Polignac number, because 11529997 - 2³ = 11529989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11529967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5764998 + 5764999.

It is an arithmetic number, because the mean of its divisors is an integer number (5764999).

Almost surely, 2^11529997 is an apocalyptic number.

It is an amenable number.

11529997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11529997 is an equidigital number, since it uses as much as digits as its factorization.

11529997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51030, while the sum is 43.

The square root of 11529997 is about 3395.5849275199. The cubic root of 11529997 is about 225.9139581621.

The spelling of 11529997 in words is "eleven million, five hundred twenty-nine thousand, nine hundred ninety-seven".