13775040 has 84 divisors (see below), whose sum is σ = 47390304. Its totient is φ = 3672576.

The previous prime is 13775033. The next prime is 13775051. The reversal of 13775040 is 4057731.

It is a junction number, because it is equal to n+sod(n) for n = 13774995 and 13775013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489 + ... + 5271.

Almost surely, 2^13775040 is an apocalyptic number.

13775040 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 13775040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23695152).

13775040 is an abundant number, since it is smaller than the sum of its proper divisors (33615264).

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

13775040 is a wasteful number, since it uses less digits than its factorization.

13775040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806 (or 4793 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 13775040 is about 3711.4741006775. The cubic root of 13775040 is about 239.7163315162.

The spelling of 13775040 in words is "thirteen million, seven hundred seventy-five thousand, forty".