12949725 has 12 divisors (see below), whose sum is σ = 21410336. Its totient is φ = 6906480.

The previous prime is 12949691. The next prime is 12949787. The reversal of 12949725 is 52794921.

It is not a de Polignac number, because 12949725 - 2¹⁴ = 12933341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86257 + ... + 86406.

Almost surely, 2^12949725 is an apocalyptic number.

12949725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12949725 is a deficient number, since it is larger than the sum of its proper divisors (8460611).

12949725 is a wasteful number, since it uses less digits than its factorization.

12949725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172676 (or 172671 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 12949725 is about 3598.5726336980. The cubic root of 12949725 is about 234.8299660315.

The spelling of 12949725 in words is "twelve million, nine hundred forty-nine thousand, seven hundred twenty-five".