13775247424 has 63 divisors (see below), whose sum is σ = 29071485037. Its totient is φ = 6474957824.

The previous prime is 13775247401. The next prime is 13775247443. The reversal of 13775247424 is 42474257731.

The square root of 13775247424 is 117368.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10724673600 + 3050573824 = 103560^2 + 55232^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15961617 + ... + 15962479.

Almost surely, 2^13775247424 is an apocalyptic number.

13775247424 is the 117368-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13775247424

13775247424 is an abundant number, since it is smaller than the sum of its proper divisors (15296237613).

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

13775247424 is an frugal number, since it uses more digits than its factorization.

13775247424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 882 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 46.

The spelling of 13775247424 in words is "thirteen billion, seven hundred seventy-five million, two hundred forty-seven thousand, four hundred twenty-four".