13574840 has 32 divisors (see below), whose sum is σ = 32341680. Its totient is φ = 5110272.

The previous prime is 13574831. The next prime is 13574843. The reversal of 13574840 is 4847531.

13574840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13574797 and 13574806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13574843) 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, 9302 + ... + 10661.

Almost surely, 2^13574840 is an apocalyptic number.

13574840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13574840 is an abundant number, since it is smaller than the sum of its proper divisors (18766840).

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

13574840 is a wasteful number, since it uses less digits than its factorization.

13574840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19991 (or 19987 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 13574840 is about 3684.4049723124. The cubic root of 13574840 is about 238.5493512607.

The spelling of 13574840 in words is "thirteen million, five hundred seventy-four thousand, eight hundred forty".