12625749 has 12 divisors (see below), whose sum is σ = 18316012. Its totient is φ = 8380800.

The previous prime is 12625741. The next prime is 12625757. The reversal of 12625749 is 94752621.

12625749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12625741) and next prime (12625757).

It can be written as a sum of positive squares in 2 ways, for example, as 10284849 + 2340900 = 3207^2 + 1530^2 .

It is not a de Polignac number, because 12625749 - 2³ = 12625741 is a prime.

It is a super-2 number, since 2×12625749² = 318819075622002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12625741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 742 + ... + 5079.

Almost surely, 2^12625749 is an apocalyptic number.

It is an amenable number.

12625749 is a deficient number, since it is larger than the sum of its proper divisors (5690263).

12625749 is a wasteful number, since it uses less digits than its factorization.

12625749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068 (or 6065 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 12625749 is about 3553.2729982370. The cubic root of 12625749 is about 232.8550800518.

The spelling of 12625749 in words is "twelve million, six hundred twenty-five thousand, seven hundred forty-nine".