13993460 has 48 divisors (see below), whose sum is σ = 32006016. Its totient is φ = 5108352.

The previous prime is 13993459. The next prime is 13993471. The reversal of 13993460 is 6439931.

It is a self number, because there is not a number n which added to its sum of digits gives 13993460.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27569 + ... + 28071.

It is an arithmetic number, because the mean of its divisors is an integer number (666792).

Almost surely, 2^13993460 is an apocalyptic number.

13993460 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 13993460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16003008).

13993460 is an abundant number, since it is smaller than the sum of its proper divisors (18012556).

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

13993460 is a wasteful number, since it uses less digits than its factorization.

13993460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 13993460 is about 3740.7833404248. The cubic root of 13993460 is about 240.9766912140.

The spelling of 13993460 in words is "thirteen million, nine hundred ninety-three thousand, four hundred sixty".