13747146 has 96 divisors (see below), whose sum is σ = 35458560. Its totient is φ = 3525984.

The previous prime is 13747121. The next prime is 13747147. The reversal of 13747146 is 64174731.

13747146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

13747146 is a nontrivial binomial coefficient, being equal to C(5244, 2).

Its product of digits (14112) is a multiple of the sum of its prime factors (168).

It is not an unprimeable number, because it can be changed into a prime (13747147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128425 + ... + 128531.

It is an arithmetic number, because the mean of its divisors is an integer number (369360).

Almost surely, 2^13747146 is an apocalyptic number.

13747146 is the 5243-rd triangular number and also the 2622-nd hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13747146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17729280).

13747146 is an abundant number, since it is smaller than the sum of its proper divisors (21711414).

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

13747146 is a wasteful number, since it uses less digits than its factorization.

13747146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 161 counting only the distinct ones).

The product of its digits is 14112, while the sum is 33.

The square root of 13747146 is about 3707.7143902949. The cubic root of 13747146 is about 239.5544162974.

The spelling of 13747146 in words is "thirteen million, seven hundred forty-seven thousand, one hundred forty-six".