11286993 has 4 divisors (see below), whose sum is σ = 15049328. Its totient is φ = 7524660.

The previous prime is 11286991. The next prime is 11287051. The reversal of 11286993 is 39968211.

11286993 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11286993 - 2¹ = 11286991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11286991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1881163 + ... + 1881168.

It is an arithmetic number, because the mean of its divisors is an integer number (3762332).

Almost surely, 2^11286993 is an apocalyptic number.

It is an amenable number.

11286993 is a deficient number, since it is larger than the sum of its proper divisors (3762335).

11286993 is an equidigital number, since it uses as much as digits as its factorization.

11286993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3762334.

The product of its digits is 23328, while the sum is 39.

The square root of 11286993 is about 3359.6120311726. The cubic root of 11286993 is about 224.3155695156.

The spelling of 11286993 in words is "eleven million, two hundred eighty-six thousand, nine hundred ninety-three".