12499403 has 8 divisors (see below), whose sum is σ = 15125472. Its totient is φ = 10083456.

The previous prime is 12499381. The next prime is 12499439. The reversal of 12499403 is 30499421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12499403 - 2⁶ = 12499339 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 12499403.

It is not an unprimeable number, because it can be changed into a prime (12469403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52400 + ... + 52637.

It is an arithmetic number, because the mean of its divisors is an integer number (1890684).

Almost surely, 2^12499403 is an apocalyptic number.

12499403 is a deficient number, since it is larger than the sum of its proper divisors (2626069).

12499403 is a wasteful number, since it uses less digits than its factorization.

12499403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105061.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 12499403 is about 3535.4494763750. The cubic root of 12499403 is about 232.0757469171.

The spelling of 12499403 in words is "twelve million, four hundred ninety-nine thousand, four hundred three".