13797420 has 216 divisors, whose sum is σ = 51078384. Its totient is φ = 2757888.

The previous prime is 13797419. The next prime is 13797431. The reversal of 13797420 is 2479731.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 726171 + ... + 726189.

It is an arithmetic number, because the mean of its divisors is an integer number (236474).

Almost surely, 2^13797420 is an apocalyptic number.

13797420 is a gapful number since it is divisible by the number (10) 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 13797420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25539192).

13797420 is an abundant number, since it is smaller than the sum of its proper divisors (37280964).

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

13797420 is a wasteful number, since it uses less digits than its factorization.

13797420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 13797420 is about 3714.4878516425. The cubic root of 13797420 is about 239.8460818650.

The spelling of 13797420 in words is "thirteen million, seven hundred ninety-seven thousand, four hundred twenty".