12124807 has 4 divisors (see below), whose sum is σ = 12420576. Its totient is φ = 11829040.

The previous prime is 12124781. The next prime is 12124829. The reversal of 12124807 is 70842121.

It is a happy number.

12124807 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70842121 = 7 ⋅10120303.

It is a cyclic number.

It is not a de Polignac number, because 12124807 - 2²³ = 3736199 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 (12124837) 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, 147823 + ... + 147904.

It is an arithmetic number, because the mean of its divisors is an integer number (3105144).

Almost surely, 2^12124807 is an apocalyptic number.

12124807 is a deficient number, since it is larger than the sum of its proper divisors (295769).

12124807 is an equidigital number, since it uses as much as digits as its factorization.

12124807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295768.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12124807 is about 3482.0693560008. The cubic root of 12124807 is about 229.7338256661.

Adding to 12124807 its reverse (70842121), we get a palindrome (82966928).

The spelling of 12124807 in words is "twelve million, one hundred twenty-four thousand, eight hundred seven".