12417431 has 8 divisors (see below), whose sum is σ = 14076720. Its totient is φ = 10858752.

The previous prime is 12417413. The next prime is 12417437. The reversal of 12417431 is 13471421.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12417431 - 2¹⁴ = 12401047 is a prime.

It is a super-2 number, since 2×12417431² = 308385185279522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12417397 and 12417406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12417437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24890 + ... + 25383.

It is an arithmetic number, because the mean of its divisors is an integer number (1759590).

Almost surely, 2^12417431 is an apocalyptic number.

12417431 is a deficient number, since it is larger than the sum of its proper divisors (1659289).

12417431 is a wasteful number, since it uses less digits than its factorization.

12417431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50305.

The product of its digits is 672, while the sum is 23.

The square root of 12417431 is about 3523.8375388204. The cubic root of 12417431 is about 231.5673105913.

Adding to 12417431 its reverse (13471421), we get a palindrome (25888852).

The spelling of 12417431 in words is "twelve million, four hundred seventeen thousand, four hundred thirty-one".