12814720 has 32 divisors (see below), whose sum is σ = 30636720. Its totient is φ = 5125632.

The previous prime is 12814717. The next prime is 12814733. The reversal of 12814720 is 2741821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

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, 9372 + ... + 10651.

Almost surely, 2^12814720 is an apocalyptic number.

12814720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12814720 is an abundant number, since it is smaller than the sum of its proper divisors (17822000).

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

12814720 is an equidigital number, since it uses as much as digits as its factorization.

12814720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20042 (or 20030 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12814720 is about 3579.7653554388. The cubic root of 12814720 is about 234.0110545828.

The spelling of 12814720 in words is "twelve million, eight hundred fourteen thousand, seven hundred twenty".