11899343 has 2 divisors, whose sum is σ = 11899344. Its totient is φ = 11899342.

The previous prime is 11899333. The next prime is 11899351. The reversal of 11899343 is 34399811.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (34399811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11899343 is a prime.

It is equal to p₇₈₁₈₅₉ and since 11899343 and 781859 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 11899297 and 11899306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11899333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5949671 + 5949672.

It is an arithmetic number, because the mean of its divisors is an integer number (5949672).

Almost surely, 2^11899343 is an apocalyptic number.

11899343 is a deficient number, since it is larger than the sum of its proper divisors (1).

11899343 is an equidigital number, since it uses as much as digits as its factorization.

11899343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 11899343 is about 3449.5424334250. The cubic root of 11899343 is about 228.3009197363.

The spelling of 11899343 in words is "eleven million, eight hundred ninety-nine thousand, three hundred forty-three".