13125946 has 4 divisors (see below), whose sum is σ = 19688922. Its totient is φ = 6562972.

The previous prime is 13125923. The next prime is 13125947. The reversal of 13125946 is 64952131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12880921 + 245025 = 3589^2 + 495^2 .

It is not an unprimeable number, because it can be changed into a prime (13125947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3281485 + ... + 3281488.

Almost surely, 2^13125946 is an apocalyptic number.

13125946 is a deficient number, since it is larger than the sum of its proper divisors (6562976).

13125946 is an equidigital number, since it uses as much as digits as its factorization.

13125946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562975.

The product of its digits is 6480, while the sum is 31.

The square root of 13125946 is about 3622.9747445987. The cubic root of 13125946 is about 235.8903661032.

The spelling of 13125946 in words is "thirteen million, one hundred twenty-five thousand, nine hundred forty-six".