13893412 has 24 divisors (see below), whose sum is σ = 26288696. Its totient is φ = 6386688.

The previous prime is 13893391. The next prime is 13893413. The reversal of 13893412 is 21439831.

It can be written as a sum of positive squares in 4 ways, for example, as 527076 + 13366336 = 726^2 + 3656^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13893413) 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, 20308 + ... + 20980.

Almost surely, 2^13893412 is an apocalyptic number.

It is an amenable number.

13893412 is a deficient number, since it is larger than the sum of its proper divisors (12395284).

13893412 is a wasteful number, since it uses less digits than its factorization.

13893412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1085 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 13893412 is about 3727.3867521361. The cubic root of 13893412 is about 240.4010193727.

The spelling of 13893412 in words is "thirteen million, eight hundred ninety-three thousand, four hundred twelve".