12499807 has 4 divisors (see below), whose sum is σ = 12511296. Its totient is φ = 12488320.

The previous prime is 12499801. The next prime is 12499813. The reversal of 12499807 is 70899421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70899421 = 607 ⋅116803.

It is an interprime number because it is at equal distance from previous prime (12499801) and next prime (12499813).

It is a cyclic number.

It is not a de Polignac number, because 12499807 - 2¹⁹ = 11975519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12499807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499801) 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, 3919 + ... + 6352.

It is an arithmetic number, because the mean of its divisors is an integer number (3127824).

Almost surely, 2^12499807 is an apocalyptic number.

12499807 is a deficient number, since it is larger than the sum of its proper divisors (11489).

12499807 is a wasteful number, since it uses less digits than its factorization.

12499807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11488.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 12499807 is about 3535.5066115056. The cubic root of 12499807 is about 232.0782472390.

The spelling of 12499807 in words is "twelve million, four hundred ninety-nine thousand, eight hundred seven".