13574440 has 32 divisors (see below), whose sum is σ = 33320160. Its totient is φ = 4936000.

The previous prime is 13574437. The next prime is 13574441. The reversal of 13574440 is 4447531.

It is a junction number, because it is equal to n+sod(n) for n = 13574399 and 13574408.

It is not an unprimeable number, because it can be changed into a prime (13574441) 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, 14986 + ... + 15865.

It is an arithmetic number, because the mean of its divisors is an integer number (1041255).

Almost surely, 2^13574440 is an apocalyptic number.

13574440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13574440 is an abundant number, since it is smaller than the sum of its proper divisors (19745720).

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

13574440 is a wasteful number, since it uses less digits than its factorization.

13574440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30873 (or 30869 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 13574440 is about 3684.3506890631. The cubic root of 13574440 is about 238.5470081839.

The spelling of 13574440 in words is "thirteen million, five hundred seventy-four thousand, four hundred forty".