13842774 has 48 divisors (see below), whose sum is σ = 33007104. Its totient is φ = 4158000.

The previous prime is 13842761. The next prime is 13842779. The reversal of 13842774 is 47724831.

It is a happy number.

13842774 is a `hidden beast` number, since 1 + 384 + 277 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13842779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29667 + ... + 30129.

It is an arithmetic number, because the mean of its divisors is an integer number (687648).

Almost surely, 2^13842774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13842774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16503552).

13842774 is an abundant number, since it is smaller than the sum of its proper divisors (19164330).

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

13842774 is a wasteful number, since it uses less digits than its factorization.

13842774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 630 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 13842774 is about 3720.5878567775. The cubic root of 13842774 is about 240.1085966874.

The spelling of 13842774 in words is "thirteen million, eight hundred forty-two thousand, seven hundred seventy-four".