13797378 has 80 divisors (see below), whose sum is σ = 36938880. Its totient is φ = 3770712.

The previous prime is 13797349. The next prime is 13797379. The reversal of 13797378 is 87379731.

It is not an unprimeable number, because it can be changed into a prime (13797379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 599875 + ... + 599897.

It is an arithmetic number, because the mean of its divisors is an integer number (461736).

Almost surely, 2^13797378 is an apocalyptic number.

13797378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13797378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18469440).

13797378 is an abundant number, since it is smaller than the sum of its proper divisors (23141502).

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

13797378 is an frugal number, since it uses more digits than its factorization.

13797378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 35 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 13797378 is about 3714.4821980998. The cubic root of 13797378 is about 239.8458384972.

The spelling of 13797378 in words is "thirteen million, seven hundred ninety-seven thousand, three hundred seventy-eight".