13973812 has 12 divisors (see below), whose sum is σ = 24482500. Its totient is φ = 6978816.

The previous prime is 13973807. The next prime is 13973831. The reversal of 13973812 is 21837931.

13973812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8088336 + 5885476 = 2844^2 + 2426^2 .

It is a super-2 number, since 2×13973812² = 390534843622688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3598 + ... + 6394.

Almost surely, 2^13973812 is an apocalyptic number.

It is an amenable number.

13973812 is a deficient number, since it is larger than the sum of its proper divisors (10508688).

13973812 is a wasteful number, since it uses less digits than its factorization.

13973812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050 (or 4048 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 13973812 is about 3738.1562300150. The cubic root of 13973812 is about 240.8638545094.

The spelling of 13973812 in words is "thirteen million, nine hundred seventy-three thousand, eight hundred twelve".