12596890 has 8 divisors (see below), whose sum is σ = 22674420. Its totient is φ = 5038752.

The previous prime is 12596879. The next prime is 12596897. The reversal of 12596890 is 9869521.

It can be written as a sum of positive squares in 2 ways, for example, as 12257001 + 339889 = 3501^2 + 583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12596897) 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, 629835 + ... + 629854.

Almost surely, 2^12596890 is an apocalyptic number.

12596890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12596890 is a deficient number, since it is larger than the sum of its proper divisors (10077530).

12596890 is a wasteful number, since it uses less digits than its factorization.

12596890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259696.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 12596890 is about 3549.2097712026. The cubic root of 12596890 is about 232.6775304198.

The spelling of 12596890 in words is "twelve million, five hundred ninety-six thousand, eight hundred ninety".