1249653 has 16 divisors (see below), whose sum is σ = 1788480. Its totient is φ = 773376.

The previous prime is 1249643. The next prime is 1249657. The reversal of 1249653 is 3569421.

It is not a de Polignac number, because 1249653 - 2⁵ = 1249621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1249653.

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 15 ways as a sum of consecutive naturals, for example, 5343 + ... + 5571.

It is an arithmetic number, because the mean of its divisors is an integer number (111780).

2^1249653 is an apocalyptic number.

It is an amenable number.

1249653 is a deficient number, since it is larger than the sum of its proper divisors (538827).

1249653 is a wasteful number, since it uses less digits than its factorization.

1249653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356.

The product of its digits is 6480, while the sum is 30.

The square root of 1249653 is about 1117.8787948611. The cubic root of 1249653 is about 107.7117657279.

The spelling of 1249653 in words is "one million, two hundred forty-nine thousand, six hundred fifty-three".