12407663 has 4 divisors (see below), whose sum is σ = 12592920. Its totient is φ = 12222408.

The previous prime is 12407639. The next prime is 12407699. The reversal of 12407663 is 36670421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36670421 = 113 ⋅324517.

It is not a de Polignac number, because 12407663 - 2⁸ = 12407407 is a prime.

It is a super-2 number, since 2×12407663² = 307900202243138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12407623) 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, 92528 + ... + 92661.

It is an arithmetic number, because the mean of its divisors is an integer number (3148230).

Almost surely, 2^12407663 is an apocalyptic number.

12407663 is a deficient number, since it is larger than the sum of its proper divisors (185257).

12407663 is an equidigital number, since it uses as much as digits as its factorization.

12407663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185256.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 12407663 is about 3522.4512771648. The cubic root of 12407663 is about 231.5065749244.

The spelling of 12407663 in words is "twelve million, four hundred seven thousand, six hundred sixty-three".