12654920 has 16 divisors (see below), whose sum is σ = 28473660. Its totient is φ = 5061952.

The previous prime is 12654881. The next prime is 12654923. The reversal of 12654920 is 2945621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11682724 + 972196 = 3418^2 + 986^2 .

It is not an unprimeable number, because it can be changed into a prime (12654923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158147 + ... + 158226.

Almost surely, 2^12654920 is an apocalyptic number.

12654920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12654920 is an abundant number, since it is smaller than the sum of its proper divisors (15818740).

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

12654920 is a wasteful number, since it uses less digits than its factorization.

12654920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316384 (or 316380 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 12654920 is about 3557.3754370322. The cubic root of 12654920 is about 233.0342744621.

The spelling of 12654920 in words is "twelve million, six hundred fifty-four thousand, nine hundred twenty".