11868929 has 2 divisors, whose sum is σ = 11868930. Its totient is φ = 11868928.

The previous prime is 11868911. The next prime is 11868937. The reversal of 11868929 is 92986811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8439025 + 3429904 = 2905^2 + 1852^2 .

It is a cyclic number.

It is not a de Polignac number, because 11868929 - 2¹² = 11864833 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 11868929.

It is not a weakly prime, because it can be changed into another prime (11868949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5934464 + 5934465.

It is an arithmetic number, because the mean of its divisors is an integer number (5934465).

Almost surely, 2^11868929 is an apocalyptic number.

It is an amenable number.

11868929 is a deficient number, since it is larger than the sum of its proper divisors (1).

11868929 is an equidigital number, since it uses as much as digits as its factorization.

11868929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 44.

The square root of 11868929 is about 3445.1312021460. The cubic root of 11868929 is about 228.1062460094.

The spelling of 11868929 in words is "eleven million, eight hundred sixty-eight thousand, nine hundred twenty-nine".