11738729 has 2 divisors, whose sum is σ = 11738730. Its totient is φ = 11738728.

The previous prime is 11738723. The next prime is 11738761. The reversal of 11738729 is 92783711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10738729 + 1000000 = 3277^2 + 1000^2 .

It is an emirp because it is prime and its reverse (92783711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11738729 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11738692 and 11738701.

It is not a weakly prime, because it can be changed into another prime (11738723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5869364 + 5869365.

It is an arithmetic number, because the mean of its divisors is an integer number (5869365).

Almost surely, 2^11738729 is an apocalyptic number.

It is an amenable number.

11738729 is a deficient number, since it is larger than the sum of its proper divisors (1).

11738729 is an equidigital number, since it uses as much as digits as its factorization.

11738729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 38.

The square root of 11738729 is about 3426.1828614363. The cubic root of 11738729 is about 227.2690826034.

The spelling of 11738729 in words is "eleven million, seven hundred thirty-eight thousand, seven hundred twenty-nine".