12410991 has 6 divisors (see below), whose sum is σ = 17927000. Its totient is φ = 8273988.

The previous prime is 12410977. The next prime is 12411001. The reversal of 12410991 is 19901421.

It is not a de Polignac number, because 12410991 - 2⁷ = 12410863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12410911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 689491 + ... + 689508.

Almost surely, 2^12410991 is an apocalyptic number.

12410991 is a deficient number, since it is larger than the sum of its proper divisors (5516009).

12410991 is a wasteful number, since it uses less digits than its factorization.

12410991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379005 (or 1379002 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 12410991 is about 3522.9236437936. The cubic root of 12410991 is about 231.5272714087.

It can be divided in two parts, 1241099 and 1, that added together give a triangular number (1241100 = T₁₅₇₅).

The spelling of 12410991 in words is "twelve million, four hundred ten thousand, nine hundred ninety-one".