11912243 has 24 divisors (see below), whose sum is σ = 14651280. Its totient is φ = 9643200.

The previous prime is 11912237. The next prime is 11912249. The reversal of 11912243 is 34221911.

11912243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11912237) and next prime (11912249).

It is not a de Polignac number, because 11912243 - 2⁶ = 11912179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11912249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117893 + ... + 117993.

It is an arithmetic number, because the mean of its divisors is an integer number (610470).

Almost surely, 2^11912243 is an apocalyptic number.

11912243 is a deficient number, since it is larger than the sum of its proper divisors (2739037).

11912243 is a wasteful number, since it uses less digits than its factorization.

11912243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 220 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 11912243 is about 3451.4117401434. The cubic root of 11912243 is about 228.3833897869.

The spelling of 11912243 in words is "eleven million, nine hundred twelve thousand, two hundred forty-three".