12589090 has 16 divisors (see below), whose sum is σ = 23088888. Its totient is φ = 4940416.

The previous prime is 12589063. The next prime is 12589111. The reversal of 12589090 is 9098521.

It can be written as a sum of positive squares in 4 ways, for example, as 11881809 + 707281 = 3447^2 + 841^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11347 + ... + 12406.

Almost surely, 2^12589090 is an apocalyptic number.

12589090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12589090 is a deficient number, since it is larger than the sum of its proper divisors (10499798).

12589090 is a wasteful number, since it uses less digits than its factorization.

12589090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23813.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 12589090 is about 3548.1107649001. The cubic root of 12589090 is about 232.6294958266.

The spelling of 12589090 in words is "twelve million, five hundred eighty-nine thousand, ninety".