11742263 has 4 divisors (see below), whose sum is σ = 12645528. Its totient is φ = 10839000.

The previous prime is 11742251. The next prime is 11742299. The reversal of 11742263 is 36224711.

11742263 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11742263 is a prime.

It is a super-2 number, since 2×11742263² = 275761480722338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11742463) 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 3 ways as a sum of consecutive naturals, for example, 451613 + ... + 451638.

It is an arithmetic number, because the mean of its divisors is an integer number (3161382).

Almost surely, 2^11742263 is an apocalyptic number.

11742263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11742263 is a deficient number, since it is larger than the sum of its proper divisors (903265).

11742263 is an equidigital number, since it uses as much as digits as its factorization.

11742263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903264.

The product of its digits is 2016, while the sum is 26.

The square root of 11742263 is about 3426.6985569203. The cubic root of 11742263 is about 227.2918871265.

Adding to 11742263 its reverse (36224711), we get a palindrome (47966974).

The spelling of 11742263 in words is "eleven million, seven hundred forty-two thousand, two hundred sixty-three".