12990496 has 48 divisors (see below), whose sum is σ = 26629344. Its totient is φ = 6234624.

The previous prime is 12990493. The next prime is 12990503. The reversal of 12990496 is 69409921.

It is not an unprimeable number, because it can be changed into a prime (12990491) 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, 156471 + ... + 156553.

It is an arithmetic number, because the mean of its divisors is an integer number (554778).

Almost surely, 2^12990496 is an apocalyptic number.

12990496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12990496 is an abundant number, since it is smaller than the sum of its proper divisors (13638848).

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

12990496 is an equidigital number, since it uses as much as digits as its factorization.

12990496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 12990496 is about 3604.2330668257. The cubic root of 12990496 is about 235.0761545852.

The spelling of 12990496 in words is "twelve million, nine hundred ninety thousand, four hundred ninety-six".