1225693 has 12 divisors (see below), whose sum is σ = 1468768. Its totient is φ = 1001880.

The previous prime is 1225691. The next prime is 1225703. The reversal of 1225693 is 3965221.

It is not a de Polignac number, because 1225693 - 2¹ = 1225691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3538 + ... + 3868.

2^1225693 is an apocalyptic number.

It is an amenable number.

1225693 is a deficient number, since it is larger than the sum of its proper divisors (243075).

1225693 is an equidigital number, since it uses as much as digits as its factorization.

1225693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 361 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 1225693 is about 1107.1102022834. The cubic root of 1225693 is about 107.0189211597.

The spelling of 1225693 in words is "one million, two hundred twenty-five thousand, six hundred ninety-three".