13467920 has 40 divisors (see below), whose sum is σ = 31724160. Its totient is φ = 5316480.

The previous prime is 13467913. The next prime is 13467929. The reversal of 13467920 is 2976431.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (13467929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5255 + ... + 7385.

It is an arithmetic number, because the mean of its divisors is an integer number (793104).

Almost surely, 2^13467920 is an apocalyptic number.

13467920 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 13467920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15862080).

13467920 is an abundant number, since it is smaller than the sum of its proper divisors (18256240).

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

13467920 is a wasteful number, since it uses less digits than its factorization.

13467920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 13467920 is about 3669.8664825849. The cubic root of 13467920 is about 237.9214014405.

The spelling of 13467920 in words is "thirteen million, four hundred sixty-seven thousand, nine hundred twenty".