13030778 has 8 divisors (see below), whose sum is σ = 19598880. Its totient is φ = 6497820.

The previous prime is 13030769. The next prime is 13030783. The reversal of 13030778 is 87703031.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13030778.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7838 + ... + 9353.

It is an arithmetic number, because the mean of its divisors is an integer number (2449860).

Almost surely, 2^13030778 is an apocalyptic number.

13030778 is a deficient number, since it is larger than the sum of its proper divisors (6568102).

13030778 is a wasteful number, since it uses less digits than its factorization.

13030778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17572.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 13030778 is about 3609.8168928631. The cubic root of 13030778 is about 235.3188850326.

The spelling of 13030778 in words is "thirteen million, thirty thousand, seven hundred seventy-eight".