11743391 has 8 divisors (see below), whose sum is σ = 12870144. Its totient is φ = 10626520.

The previous prime is 11743351. The next prime is 11743397. The reversal of 11743391 is 19334711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11743391 - 2¹⁸ = 11481247 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 (11743397) 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 in 7 ways as a sum of consecutive naturals, for example, 146 + ... + 4848.

It is an arithmetic number, because the mean of its divisors is an integer number (1608768).

Almost surely, 2^11743391 is an apocalyptic number.

11743391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11743391 is a deficient number, since it is larger than the sum of its proper divisors (1126753).

11743391 is a wasteful number, since it uses less digits than its factorization.

11743391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941.

The product of its digits is 2268, while the sum is 29.

The square root of 11743391 is about 3426.8631428757. The cubic root of 11743391 is about 227.2991650263.

The spelling of 11743391 in words is "eleven million, seven hundred forty-three thousand, three hundred ninety-one".