13872794 has 16 divisors (see below), whose sum is σ = 22566600. Its totient is φ = 6358080.

The previous prime is 13872791. The next prime is 13872797. The reversal of 13872794 is 49727831.

Added to its reverse (49727831) it gives a square (63600625 = 7975²).

It is an interprime number because it is at equal distance from previous prime (13872791) and next prime (13872797).

It can be written as a sum of positive squares in 4 ways, for example, as 9690769 + 4182025 = 3113^2 + 2045^2 .

It is not an unprimeable number, because it can be changed into a prime (13872791) 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, 2084 + ... + 5664.

Almost surely, 2^13872794 is an apocalyptic number.

13872794 is a deficient number, since it is larger than the sum of its proper divisors (8693806).

13872794 is a wasteful number, since it uses less digits than its factorization.

13872794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745.

The product of its digits is 84672, while the sum is 41.

The square root of 13872794 is about 3724.6199806155. The cubic root of 13872794 is about 240.2820411087.

Adding to 13872794 its reverse (49727831), we get a square (63600625 = 7975²).

The spelling of 13872794 in words is "thirteen million, eight hundred seventy-two thousand, seven hundred ninety-four".