1249993 has 4 divisors (see below), whose sum is σ = 1323540. Its totient is φ = 1176448.

The previous prime is 1249943. The next prime is 1249999. The reversal of 1249993 is 3999421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 322624 = 963^2 + 568^2 .

It is a cyclic number.

It is not a de Polignac number, because 1249993 - 2⁹ = 1249481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1249999) 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, 36748 + ... + 36781.

It is an arithmetic number, because the mean of its divisors is an integer number (330885).

2^1249993 is an apocalyptic number.

It is an amenable number.

1249993 is a deficient number, since it is larger than the sum of its proper divisors (73547).

1249993 is an equidigital number, since it uses as much as digits as its factorization.

1249993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73546.

The product of its digits is 17496, while the sum is 37.

The square root of 1249993 is about 1118.0308582503. The cubic root of 1249993 is about 107.7215334206.

It can be divided in two parts, 12 and 49993, that added together give a palindrome (50005).

The spelling of 1249993 in words is "one million, two hundred forty-nine thousand, nine hundred ninety-three".