12268993 has 4 divisors (see below), whose sum is σ = 13384368. Its totient is φ = 11153620.

The previous prime is 12268979. The next prime is 12268999. The reversal of 12268993 is 39986221.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 12268993 - 2⁵ = 12268961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12268999) 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, 557671 + ... + 557692.

It is an arithmetic number, because the mean of its divisors is an integer number (3346092).

Almost surely, 2^12268993 is an apocalyptic number.

It is an amenable number.

12268993 is a deficient number, since it is larger than the sum of its proper divisors (1115375).

12268993 is a wasteful number, since it uses less digits than its factorization.

12268993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115374.

The product of its digits is 46656, while the sum is 40.

The square root of 12268993 is about 3502.7122348260. The cubic root of 12268993 is about 230.6408905211.

The spelling of 12268993 in words is "twelve million, two hundred sixty-eight thousand, nine hundred ninety-three".