1249893 has 12 divisors (see below), whose sum is σ = 1822860. Its totient is φ = 825216.

The previous prime is 1249873. The next prime is 1249901. The reversal of 1249893 is 3989421.

It can be written as a sum of positive squares in 2 ways, for example, as 636804 + 613089 = 798^2 + 783^2 .

It is not a de Polignac number, because 1249893 - 2⁵ = 1249861 is a prime.

It is a super-2 number, since 2×1249893² = 3124465022898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (151905).

2^1249893 is an apocalyptic number.

It is an amenable number.

1249893 is a deficient number, since it is larger than the sum of its proper divisors (572967).

1249893 is a wasteful number, since it uses less digits than its factorization.

1249893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1345 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1249893 is about 1117.9861358711. The cubic root of 1249893 is about 107.7186607537.

The spelling of 1249893 in words is "one million, two hundred forty-nine thousand, eight hundred ninety-three".