13779332 has 48 divisors (see below), whose sum is σ = 29568000. Its totient is φ = 5487264.

The previous prime is 13779331. The next prime is 13779341. The reversal of 13779332 is 23397731.

It is a junction number, because it is equal to n+sod(n) for n = 13779292 and 13779301.

It is not an unprimeable number, because it can be changed into a prime (13779331) 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, 31169 + ... + 31607.

It is an arithmetic number, because the mean of its divisors is an integer number (616000).

Almost surely, 2^13779332 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 13779332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14784000).

13779332 is an abundant number, since it is smaller than the sum of its proper divisors (15788668).

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

13779332 is a wasteful number, since it uses less digits than its factorization.

13779332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 526 counting only the distinct ones).

The product of its digits is 23814, while the sum is 35.

The square root of 13779332 is about 3712.0522625631. The cubic root of 13779332 is about 239.7412257127.

The spelling of 13779332 in words is "thirteen million, seven hundred seventy-nine thousand, three hundred thirty-two".