13722380 has 24 divisors (see below), whose sum is σ = 32934048. Its totient is φ = 4704768.

The previous prime is 13722361. The next prime is 13722403. The reversal of 13722380 is 8322731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48869 + ... + 49148.

It is an arithmetic number, because the mean of its divisors is an integer number (1372252).

Almost surely, 2^13722380 is an apocalyptic number.

13722380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13722380 is an abundant number, since it is smaller than the sum of its proper divisors (19211668).

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

13722380 is a wasteful number, since it uses less digits than its factorization.

13722380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98033 (or 98031 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 13722380 is about 3704.3730913611. The cubic root of 13722380 is about 239.4104743968.

The spelling of 13722380 in words is "thirteen million, seven hundred twenty-two thousand, three hundred eighty".