1249656 has 16 divisors (see below), whose sum is σ = 3124200. Its totient is φ = 416544.

The previous prime is 1249643. The next prime is 1249657. The reversal of 1249656 is 6569421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249657) 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, 26011 + ... + 26058.

2^1249656 is an apocalyptic number.

It is an amenable number.

1249656 is an abundant number, since it is smaller than the sum of its proper divisors (1874544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1249656 is a wasteful number, since it uses less digits than its factorization.

1249656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52078 (or 52074 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 1249656 is about 1117.8801366873. The cubic root of 1249656 is about 107.7118519212.

The spelling of 1249656 in words is "one million, two hundred forty-nine thousand, six hundred fifty-six".