11859929 has 2 divisors, whose sum is σ = 11859930. Its totient is φ = 11859928.

The previous prime is 11859923. The next prime is 11859961. The reversal of 11859929 is 92995811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11744329 + 115600 = 3427^2 + 340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11859929 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11859929.

It is not a weakly prime, because it can be changed into another prime (11859923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5929964 + 5929965.

It is an arithmetic number, because the mean of its divisors is an integer number (5929965).

Almost surely, 2^11859929 is an apocalyptic number.

It is an amenable number.

11859929 is a deficient number, since it is larger than the sum of its proper divisors (1).

11859929 is an equidigital number, since it uses as much as digits as its factorization.

11859929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 44.

The square root of 11859929 is about 3443.8247632538. The cubic root of 11859929 is about 228.0485751126.

The spelling of 11859929 in words is "eleven million, eight hundred fifty-nine thousand, nine hundred twenty-nine".