11999929 has 2 divisors, whose sum is σ = 11999930. Its totient is φ = 11999928.

The previous prime is 11999927. The next prime is 11999941. The reversal of 11999929 is 92999911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11799225 + 200704 = 3435^2 + 448^2 .

It is a cyclic number.

It is not a de Polignac number, because 11999929 - 2¹ = 11999927 is a prime.

Together with 11999927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11999927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5999964 + 5999965.

It is an arithmetic number, because the mean of its divisors is an integer number (5999965).

Almost surely, 2^11999929 is an apocalyptic number.

It is an amenable number.

11999929 is a deficient number, since it is larger than the sum of its proper divisors (1).

11999929 is an equidigital number, since it uses as much as digits as its factorization.

11999929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 118098, while the sum is 49.

The square root of 11999929 is about 3464.0913671553. The cubic root of 11999929 is about 228.9423969836.

The spelling of 11999929 in words is "eleven million, nine hundred ninety-nine thousand, nine hundred twenty-nine".