11426993 has 2 divisors, whose sum is σ = 11426994. Its totient is φ = 11426992.

The previous prime is 11426981. The next prime is 11427011. The reversal of 11426993 is 39962411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6265009 + 5161984 = 2503^2 + 2272^2 .

It is a cyclic number.

It is not a de Polignac number, because 11426993 - 2¹⁰ = 11425969 is a prime.

It is a Chen prime.

It is a plaindrome in base 9.

It is not a weakly prime, because it can be changed into another prime (11426293) 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 as a sum of consecutive naturals, namely, 5713496 + 5713497.

It is an arithmetic number, because the mean of its divisors is an integer number (5713497).

Almost surely, 2^11426993 is an apocalyptic number.

It is an amenable number.

11426993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11426993 is an equidigital number, since it uses as much as digits as its factorization.

11426993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 11426993 is about 3380.3835581188. The cubic root of 11426993 is about 225.2392056839.

It can be divided in two parts, 1142 and 6993, that multiplied together give a triangular number (7986006 = T₃₉₉₆).

The spelling of 11426993 in words is "eleven million, four hundred twenty-six thousand, nine hundred ninety-three".