4155012 has 36 divisors (see below), whose sum is σ = 10572016. Its totient is φ = 1375920.

The previous prime is 4155007. The next prime is 4155013. The reversal of 4155012 is 2105514.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4155013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7323 + ... + 7869.

Almost surely, 2^4155012 is an apocalyptic number.

It is an amenable number.

4155012 is an abundant number, since it is smaller than the sum of its proper divisors (6417004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4155012 is a wasteful number, since it uses less digits than its factorization.

4155012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 4155012 is about 2038.3846545733. The cubic root of 4155012 is about 160.7647245706.

The spelling of 4155012 in words is "four million, one hundred fifty-five thousand, twelve".