13853574 has 72 divisors (see below), whose sum is σ = 35479080. Its totient is φ = 3894912.

The previous prime is 13853569. The next prime is 13853597. The reversal of 13853574 is 47535831.

13853574 is a `hidden beast` number, since 1 + 3 + 85 + 3 + 574 = 666.

13853574 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 99597 + ... + 99735.

It is an arithmetic number, because the mean of its divisors is an integer number (492765).

Almost surely, 2^13853574 is an apocalyptic number.

13853574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13853574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17739540).

13853574 is an abundant number, since it is smaller than the sum of its proper divisors (21625506).

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

13853574 is a wasteful number, since it uses less digits than its factorization.

13853574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 264 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 13853574 is about 3722.0389573458. The cubic root of 13853574 is about 240.1710239328.

The spelling of 13853574 in words is "thirteen million, eight hundred fifty-three thousand, five hundred seventy-four".