13250078 has 4 divisors (see below), whose sum is σ = 19875120. Its totient is φ = 6625038.

The previous prime is 13250009. The next prime is 13250101. The reversal of 13250078 is 87005231.

13250078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87005231 = 107 ⋅813133.

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, 3312518 + ... + 3312521.

It is an arithmetic number, because the mean of its divisors is an integer number (4968780).

Almost surely, 2^13250078 is an apocalyptic number.

13250078 is a deficient number, since it is larger than the sum of its proper divisors (6625042).

13250078 is an equidigital number, since it uses as much as digits as its factorization.

13250078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625041.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 13250078 is about 3640.0656587485. The cubic root of 13250078 is about 236.6316388901.

The spelling of 13250078 in words is "thirteen million, two hundred fifty thousand, seventy-eight".