12591962 has 8 divisors (see below), whose sum is σ = 18905076. Its totient is φ = 6290272.

The previous prime is 12591959. The next prime is 12591977. The reversal of 12591962 is 26919521.

It can be written as a sum of positive squares in 2 ways, for example, as 10374841 + 2217121 = 3221^2 + 1489^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878 + ... + 5094.

Almost surely, 2^12591962 is an apocalyptic number.

12591962 is a deficient number, since it is larger than the sum of its proper divisors (6313114).

12591962 is a wasteful number, since it uses less digits than its factorization.

12591962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712.

The product of its digits is 9720, while the sum is 35.

The square root of 12591962 is about 3548.5154642470. The cubic root of 12591962 is about 232.6471847173.

The spelling of 12591962 in words is "twelve million, five hundred ninety-one thousand, nine hundred sixty-two".