12411291 has 4 divisors (see below), whose sum is σ = 16548392. Its totient is φ = 8274192.

The previous prime is 12411277. The next prime is 12411293. The reversal of 12411291 is 19211421.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-12411291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12411293) 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, 2068546 + ... + 2068551.

It is an arithmetic number, because the mean of its divisors is an integer number (4137098).

Almost surely, 2^12411291 is an apocalyptic number.

12411291 is a deficient number, since it is larger than the sum of its proper divisors (4137101).

12411291 is an equidigital number, since it uses as much as digits as its factorization.

12411291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137100.

The product of its digits is 144, while the sum is 21.

The square root of 12411291 is about 3522.9662218080. The cubic root of 12411291 is about 231.5291368956.

The spelling of 12411291 in words is "twelve million, four hundred eleven thousand, two hundred ninety-one".