12407641 has 4 divisors (see below), whose sum is σ = 12618000. Its totient is φ = 12197284.

The previous prime is 12407639. The next prime is 12407699. The reversal of 12407641 is 14670421.

12407641 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14670421 = 409 ⋅35869.

It is a cyclic number.

It is not a de Polignac number, because 12407641 - 2¹ = 12407639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12407611) 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, 105091 + ... + 105208.

It is an arithmetic number, because the mean of its divisors is an integer number (3154500).

Almost surely, 2^12407641 is an apocalyptic number.

It is an amenable number.

12407641 is a deficient number, since it is larger than the sum of its proper divisors (210359).

12407641 is an equidigital number, since it uses as much as digits as its factorization.

12407641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210358.

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

The square root of 12407641 is about 3522.4481543381. The cubic root of 12407641 is about 231.5064380964.

The spelling of 12407641 in words is "twelve million, four hundred seven thousand, six hundred forty-one".