12916480 has 36 divisors (see below), whose sum is σ = 30942072. Its totient is φ = 5166080.

The previous prime is 12916451. The next prime is 12916487. The reversal of 12916480 is 8461921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12916487) 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, 3766 + ... + 6325.

It is an arithmetic number, because the mean of its divisors is an integer number (859502).

Almost surely, 2^12916480 is an apocalyptic number.

12916480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12916480 is an abundant number, since it is smaller than the sum of its proper divisors (18025592).

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

12916480 is an equidigital number, since it uses as much as digits as its factorization.

12916480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112 (or 10098 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 12916480 is about 3593.9504726693. The cubic root of 12916480 is about 234.6288391736.

The spelling of 12916480 in words is "twelve million, nine hundred sixteen thousand, four hundred eighty".