12893490 has 24 divisors (see below), whose sum is σ = 33523308. Its totient is φ = 3438240.

The previous prime is 12893483. The next prime is 12893513. The reversal of 12893490 is 9439821.

12893490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12299049 + 594441 = 3507^2 + 771^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71541 + ... + 71720.

Almost surely, 2^12893490 is an apocalyptic number.

12893490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12893490 is an abundant number, since it is smaller than the sum of its proper divisors (20629818).

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

12893490 is a wasteful number, since it uses less digits than its factorization.

12893490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143274 (or 143271 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 12893490 is about 3590.7506179071. The cubic root of 12893490 is about 234.4895514702.

The spelling of 12893490 in words is "twelve million, eight hundred ninety-three thousand, four hundred ninety".