11641367 has 4 divisors (see below), whose sum is σ = 11670240. Its totient is φ = 11612496.

The previous prime is 11641351. The next prime is 11641387. The reversal of 11641367 is 76314611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76314611 = 7433 ⋅10267.

It is a cyclic number.

It is not a de Polignac number, because 11641367 - 2⁴ = 11641351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11641327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13823 + ... + 14640.

It is an arithmetic number, because the mean of its divisors is an integer number (2917560).

Almost surely, 2^11641367 is an apocalyptic number.

11641367 is a deficient number, since it is larger than the sum of its proper divisors (28873).

11641367 is an equidigital number, since it uses as much as digits as its factorization.

11641367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28872.

The product of its digits is 3024, while the sum is 29.

The square root of 11641367 is about 3411.9447533628. The cubic root of 11641367 is about 226.6390078227.

Adding to 11641367 its reverse (76314611), we get a palindrome (87955978).

The spelling of 11641367 in words is "eleven million, six hundred forty-one thousand, three hundred sixty-seven".