6013978 has 4 divisors (see below), whose sum is σ = 9020970. Its totient is φ = 3006988.

The previous prime is 6013961. The next prime is 6013981. The reversal of 6013978 is 8793106.

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., 4566769 + 1447209 = 2137^2 + 1203^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1503493 + ... + 1503496.

Almost surely, 2^6013978 is an apocalyptic number.

6013978 is a deficient number, since it is larger than the sum of its proper divisors (3006992).

6013978 is a wasteful number, since it uses less digits than its factorization.

6013978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006991.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 6013978 is about 2452.3413302393. The cubic root of 6013978 is about 181.8530593546.

The spelling of 6013978 in words is "six million, thirteen thousand, nine hundred seventy-eight".