13250278 has 8 divisors (see below), whose sum is σ = 20337768. Its totient is φ = 6471024.

The previous prime is 13250273. The next prime is 13250311. The reversal of 13250278 is 87205231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13250273) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 76951 + ... + 77122.

It is an arithmetic number, because the mean of its divisors is an integer number (2542221).

Almost surely, 2^13250278 is an apocalyptic number.

13250278 is a deficient number, since it is larger than the sum of its proper divisors (7087490).

13250278 is a wasteful number, since it uses less digits than its factorization.

13250278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154118.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 13250278 is about 3640.0931306767. The cubic root of 13250278 is about 236.6328294766.

The spelling of 13250278 in words is "thirteen million, two hundred fifty thousand, two hundred seventy-eight".