12890837 has 4 divisors (see below), whose sum is σ = 13239276. Its totient is φ = 12542400.

The previous prime is 12890821. The next prime is 12890861. The reversal of 12890837 is 73809821.

12890837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5541316 + 7349521 = 2354^2 + 2711^2 .

It is a cyclic number.

It is not a de Polignac number, because 12890837 - 2⁴ = 12890821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12890837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12890887) 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, 174164 + ... + 174237.

It is an arithmetic number, because the mean of its divisors is an integer number (3309819).

Almost surely, 2^12890837 is an apocalyptic number.

It is an amenable number.

12890837 is a deficient number, since it is larger than the sum of its proper divisors (348439).

12890837 is an equidigital number, since it uses as much as digits as its factorization.

12890837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348438.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 12890837 is about 3590.3811775353. The cubic root of 12890837 is about 234.4734672951.

The spelling of 12890837 in words is "twelve million, eight hundred ninety thousand, eight hundred thirty-seven".