12502749 has 16 divisors (see below), whose sum is σ = 19376640. Its totient is φ = 7022640.

The previous prime is 12502747. The next prime is 12502759. The reversal of 12502749 is 94720521.

It is not a de Polignac number, because 12502749 - 2¹ = 12502747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12502747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3807 + ... + 6284.

It is an arithmetic number, because the mean of its divisors is an integer number (1211040).

Almost surely, 2^12502749 is an apocalyptic number.

It is an amenable number.

12502749 is a deficient number, since it is larger than the sum of its proper divisors (6873891).

12502749 is a wasteful number, since it uses less digits than its factorization.

12502749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10160.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 12502749 is about 3535.9226518690. The cubic root of 12502749 is about 232.0964534039.

The spelling of 12502749 in words is "twelve million, five hundred two thousand, seven hundred forty-nine".