12893890 has 16 divisors (see below), whose sum is σ = 23365440. Its totient is φ = 5122800.

The previous prime is 12893879. The next prime is 12893891. The reversal of 12893890 is 9839821.

12893890 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 (12893891) 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, 2760 + ... + 5779.

It is an arithmetic number, because the mean of its divisors is an integer number (1460340).

Almost surely, 2^12893890 is an apocalyptic number.

12893890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12893890 is a deficient number, since it is larger than the sum of its proper divisors (10471550).

12893890 is a wasteful number, since it uses less digits than its factorization.

12893890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8697.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 12893890 is about 3590.8063161357. The cubic root of 12893890 is about 234.4919763334.

The spelling of 12893890 in words is "twelve million, eight hundred ninety-three thousand, eight hundred ninety".