12625738 has 4 divisors (see below), whose sum is σ = 18938610. Its totient is φ = 6312868.

The previous prime is 12625733. The next prime is 12625741. The reversal of 12625738 is 83752621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83752621 = 137 ⋅611333.

It can be written as a sum of positive squares in only one way, i.e., 6880129 + 5745609 = 2623^2 + 2397^2 .

It is not an unprimeable number, because it can be changed into a prime (12625733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3156433 + ... + 3156436.

Almost surely, 2^12625738 is an apocalyptic number.

12625738 is a deficient number, since it is larger than the sum of its proper divisors (6312872).

12625738 is an equidigital number, since it uses as much as digits as its factorization.

12625738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6312871.

The product of its digits is 20160, while the sum is 34.

The square root of 12625738 is about 3553.2714503680. The cubic root of 12625738 is about 232.8550124279.

The spelling of 12625738 in words is "twelve million, six hundred twenty-five thousand, seven hundred thirty-eight".