1245673 has 16 divisors (see below), whose sum is σ = 1516032. Its totient is φ = 1008000.

The previous prime is 1245649. The next prime is 1245683. The reversal of 1245673 is 3765421.

It is a cyclic number.

It is not a de Polignac number, because 1245673 - 2¹⁷ = 1114601 is a prime.

It is a Duffinian number.

Its product of digits (5040) is a multiple of the sum of its prime divisors (336).

1245673 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1245613) 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, 4293 + ... + 4573.

It is an arithmetic number, because the mean of its divisors is an integer number (94752).

2^1245673 is an apocalyptic number.

1245673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1245673 is a deficient number, since it is larger than the sum of its proper divisors (270359).

1245673 is a wasteful number, since it uses less digits than its factorization.

1245673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336.

The product of its digits is 5040, while the sum is 28.

The square root of 1245673 is about 1116.0972179878. The cubic root of 1245673 is about 107.5972942848.

The spelling of 1245673 in words is "one million, two hundred forty-five thousand, six hundred seventy-three".