12407461 has 18 divisors (see below), whose sum is σ = 14207858. Its totient is φ = 10824000.

The previous prime is 12407453. The next prime is 12407477. The reversal of 12407461 is 16470421.

It can be written as a sum of positive squares in 3 ways, for example, as 2579236 + 9828225 = 1606^2 + 3135^2 .

It is not a de Polignac number, because 12407461 - 2³ = 12407453 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 (12407411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 203371 + ... + 203431.

Almost surely, 2^12407461 is an apocalyptic number.

12407461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12407461 is a deficient number, since it is larger than the sum of its proper divisors (1800397).

12407461 is an equidigital number, since it uses as much as digits as its factorization.

12407461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12407461 is about 3522.4226038339. The cubic root of 12407461 is about 231.5053185884.

Adding to 12407461 its reverse (16470421), we get a palindrome (28877882).

The spelling of 12407461 in words is "twelve million, four hundred seven thousand, four hundred sixty-one".