13397132 has 48 divisors (see below), whose sum is σ = 28449792. Its totient is φ = 5396160.

The previous prime is 13397129. The next prime is 13397141. The reversal of 13397132 is 23179331.

It is a junction number, because it is equal to n+sod(n) for n = 13397095 and 13397104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45578 + ... + 45870.

It is an arithmetic number, because the mean of its divisors is an integer number (592704).

Almost surely, 2^13397132 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 13397132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14224896).

13397132 is an abundant number, since it is smaller than the sum of its proper divisors (15052660).

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

13397132 is a wasteful number, since it uses less digits than its factorization.

13397132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 396 counting only the distinct ones).

The product of its digits is 3402, while the sum is 29.

The square root of 13397132 is about 3660.2092836339. The cubic root of 13397132 is about 237.5038270851.

The spelling of 13397132 in words is "thirteen million, three hundred ninety-seven thousand, one hundred thirty-two".