13946040 has 128 divisors (see below), whose sum is σ = 47880000. Its totient is φ = 3608064.

The previous prime is 13946017. The next prime is 13946047. The reversal of 13946040 is 4064931.

13946040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13945995 and 13946013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13946047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39786 + ... + 40134.

Almost surely, 2^13946040 is an apocalyptic number.

13946040 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 13946040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23940000).

13946040 is an abundant number, since it is smaller than the sum of its proper divisors (33933960).

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

13946040 is a wasteful number, since it uses less digits than its factorization.

13946040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 13946040 is about 3734.4397170124. The cubic root of 13946040 is about 240.7041818456.

The spelling of 13946040 in words is "thirteen million, nine hundred forty-six thousand, forty".