12417491 has 4 divisors (see below), whose sum is σ = 12463584. Its totient is φ = 12371400.

The previous prime is 12417467. The next prime is 12417499. The reversal of 12417491 is 19471421.

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

It is a cyclic number.

It is not a de Polignac number, because 12417491 - 2¹⁴ = 12401107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12417499) 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, 22640 + ... + 23181.

It is an arithmetic number, because the mean of its divisors is an integer number (3115896).

Almost surely, 2^12417491 is an apocalyptic number.

12417491 is a deficient number, since it is larger than the sum of its proper divisors (46093).

12417491 is an equidigital number, since it uses as much as digits as its factorization.

12417491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46092.

The product of its digits is 2016, while the sum is 29.

The square root of 12417491 is about 3523.8460522560. The cubic root of 12417491 is about 231.5676835621.

The spelling of 12417491 in words is "twelve million, four hundred seventeen thousand, four hundred ninety-one".