11505349 has 2 divisors, whose sum is σ = 11505350. Its totient is φ = 11505348.

The previous prime is 11505343. The next prime is 11505367. The reversal of 11505349 is 94350511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6796449 + 4708900 = 2607^2 + 2170^2 .

It is an emirp because it is prime and its reverse (94350511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11505349 - 2³ = 11505341 is a prime.

It is a super-2 number, since 2×11505349² = 264746111223602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11505341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5752674 + 5752675.

It is an arithmetic number, because the mean of its divisors is an integer number (5752675).

Almost surely, 2^11505349 is an apocalyptic number.

It is an amenable number.

11505349 is a deficient number, since it is larger than the sum of its proper divisors (1).

11505349 is an equidigital number, since it uses as much as digits as its factorization.

11505349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 11505349 is about 3391.9535668992. The cubic root of 11505349 is about 225.7528624331.

The spelling of 11505349 in words is "eleven million, five hundred five thousand, three hundred forty-nine".