11387741 has 2 divisors, whose sum is σ = 11387742. Its totient is φ = 11387740.

The previous prime is 11387731. The next prime is 11387777. The reversal of 11387741 is 14778311.

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., 11323225 + 64516 = 3365^2 + 254^2 .

It is an emirp because it is prime and its reverse (14778311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11387741 - 2²² = 7193437 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11387698 and 11387707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11387731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5693870 + 5693871.

It is an arithmetic number, because the mean of its divisors is an integer number (5693871).

Almost surely, 2^11387741 is an apocalyptic number.

It is an amenable number.

11387741 is a deficient number, since it is larger than the sum of its proper divisors (1).

11387741 is an equidigital number, since it uses as much as digits as its factorization.

11387741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 32.

The square root of 11387741 is about 3374.5727136928. The cubic root of 11387741 is about 224.9810090967.

The spelling of 11387741 in words is "eleven million, three hundred eighty-seven thousand, seven hundred forty-one".