1369872 has 100 divisors (see below), whose sum is σ = 4561216. Its totient is φ = 388800.

The previous prime is 1369871. The next prime is 1369883. The reversal of 1369872 is 2789631.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is one of the 548 Lynch-Bell numbers.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369871) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8997 + ... + 9147.

2^1369872 is an apocalyptic number.

1369872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2280608).

1369872 is an abundant number, since it is smaller than the sum of its proper divisors (3191344).

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

1369872 is a wasteful number, since it uses less digits than its factorization.

1369872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 163 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1369872 is about 1170.4153109046. The cubic root of 1369872 is about 111.0605951108.

The spelling of 1369872 in words is "one million, three hundred sixty-nine thousand, eight hundred seventy-two".