13125286 has 4 divisors (see below), whose sum is σ = 19687932. Its totient is φ = 6562642.

The previous prime is 13125271. The next prime is 13125293. The reversal of 13125286 is 68252131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3281320 + ... + 3281323.

It is an arithmetic number, because the mean of its divisors is an integer number (4921983).

Almost surely, 2^13125286 is an apocalyptic number.

13125286 is a deficient number, since it is larger than the sum of its proper divisors (6562646).

13125286 is an equidigital number, since it uses as much as digits as its factorization.

13125286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562645.

The product of its digits is 2880, while the sum is 28.

The square root of 13125286 is about 3622.8836580823. The cubic root of 13125286 is about 235.8864123500.

The spelling of 13125286 in words is "thirteen million, one hundred twenty-five thousand, two hundred eighty-six".