4012047 has 24 divisors (see below), whose sum is σ = 6368544. Its totient is φ = 2418624.

The previous prime is 4012037. The next prime is 4012067. The reversal of 4012047 is 7402104.

It is a happy number.

It is not a de Polignac number, because 4012047 - 2¹⁶ = 3946511 is a prime.

It is a super-2 number, since 2×4012047² = 32193042260418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5878 + ... + 6524.

It is an arithmetic number, because the mean of its divisors is an integer number (265356).

Almost surely, 2^4012047 is an apocalyptic number.

4012047 is a deficient number, since it is larger than the sum of its proper divisors (2356497).

4012047 is a wasteful number, since it uses less digits than its factorization.

4012047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 4012047 is about 2003.0094857489. The cubic root of 4012047 is about 158.8993073152.

The spelling of 4012047 in words is "four million, twelve thousand, forty-seven".