4078012 has 6 divisors (see below), whose sum is σ = 7136528. Its totient is φ = 2039004.

The previous prime is 4078003. The next prime is 4078013. The reversal of 4078012 is 2108704.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509748 + ... + 509755.

Almost surely, 2^4078012 is an apocalyptic number.

It is an amenable number.

4078012 is a deficient number, since it is larger than the sum of its proper divisors (3058516).

4078012 is a wasteful number, since it uses less digits than its factorization.

4078012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019507 (or 1019505 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 4078012 is about 2019.4088243840. The cubic root of 4078012 is about 159.7654375459.

The spelling of 4078012 in words is "four million, seventy-eight thousand, twelve".