1373632 has 42 divisors (see below), whose sum is σ = 2974848. Its totient is φ = 628992.

The previous prime is 1373627. The next prime is 1373639. The reversal of 1373632 is 2363731.

It is a junction number, because it is equal to n+sod(n) for n = 1373597 and 1373606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10753 + ... + 10879.

2^1373632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487424).

1373632 is an abundant number, since it is smaller than the sum of its proper divisors (1601216).

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

1373632 is a wasteful number, since it uses less digits than its factorization.

1373632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 142 counting only the distinct ones).

The product of its digits is 2268, while the sum is 25.

The square root of 1373632 is about 1172.0204776368. The cubic root of 1373632 is about 111.1621146582.

Subtracting 1373632 from its reverse (2363731), we obtain a palindrome (990099).

The spelling of 1373632 in words is "one million, three hundred seventy-three thousand, six hundred thirty-two".