12499907 has 4 divisors (see below), whose sum is σ = 14285616. Its totient is φ = 10714200.

The previous prime is 12499901. The next prime is 12499909. The reversal of 12499907 is 70999421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70999421 = 1613 ⋅44017.

It is not a de Polignac number, because 12499907 - 2⁸ = 12499651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12499901) 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, 892844 + ... + 892857.

It is an arithmetic number, because the mean of its divisors is an integer number (3571404).

Almost surely, 2^12499907 is an apocalyptic number.

12499907 is a deficient number, since it is larger than the sum of its proper divisors (1785709).

12499907 is an equidigital number, since it uses as much as digits as its factorization.

12499907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785708.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 12499907 is about 3535.5207537221. The cubic root of 12499907 is about 232.0788661222.

The spelling of 12499907 in words is "twelve million, four hundred ninety-nine thousand, nine hundred seven".