1397232 has 60 divisors (see below), whose sum is σ = 4049344. Its totient is φ = 449280.

The previous prime is 1397219. The next prime is 1397233. The reversal of 1397232 is 2327931.

It is a junction number, because it is equal to n+sod(n) for n = 1397196 and 1397205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4308 + ... + 4620.

2^1397232 is an apocalyptic number.

1397232 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 1397232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2024672).

1397232 is an abundant number, since it is smaller than the sum of its proper divisors (2652112).

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

1397232 is a wasteful number, since it uses less digits than its factorization.

1397232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 349 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 1397232 is about 1182.0456843963. The cubic root of 1397232 is about 111.7951186368.

The spelling of 1397232 in words is "one million, three hundred ninety-seven thousand, two hundred thirty-two".