1249726 has 12 divisors (see below), whose sum is σ = 1944072. Its totient is φ = 602504.

The previous prime is 1249693. The next prime is 1249727. The reversal of 1249726 is 6279421.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1311 + ... + 2053.

It is an arithmetic number, because the mean of its divisors is an integer number (162006).

2^1249726 is an apocalyptic number.

1249726 is a deficient number, since it is larger than the sum of its proper divisors (694346).

1249726 is an equidigital number, since it uses as much as digits as its factorization.

1249726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 774 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 1249726 is about 1117.9114455090. The cubic root of 1249726 is about 107.7138630584.

The spelling of 1249726 in words is "one million, two hundred forty-nine thousand, seven hundred twenty-six".