12791450 has 72 divisors (see below), whose sum is σ = 29007072. Its totient is φ = 4176480.

The previous prime is 12791423. The next prime is 12791459. The reversal of 12791450 is 5419721.

12791450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12791459) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 56237 + ... + 56463.

It is an arithmetic number, because the mean of its divisors is an integer number (402876).

Almost surely, 2^12791450 is an apocalyptic number.

12791450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12791450 is an abundant number, since it is smaller than the sum of its proper divisors (16215622).

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

12791450 is a wasteful number, since it uses less digits than its factorization.

12791450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 12791450 is about 3576.5136655687. The cubic root of 12791450 is about 233.8693233899.

The spelling of 12791450 in words is "twelve million, seven hundred ninety-one thousand, four hundred fifty".