4013012 has 12 divisors (see below), whose sum is σ = 7249536. Its totient is φ = 1941720.

The previous prime is 4012999. The next prime is 4013021. The reversal of 4013012 is 2103104.

It is a happy number.

It is a super-2 number, since 2×4013012² = 32208530624288, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4012984 and 4013002.

It is a congruent number.

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, 16058 + ... + 16305.

It is an arithmetic number, because the mean of its divisors is an integer number (604128).

Almost surely, 2^4013012 is an apocalyptic number.

It is an amenable number.

4013012 is a deficient number, since it is larger than the sum of its proper divisors (3236524).

4013012 is a wasteful number, since it uses less digits than its factorization.

4013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32398 (or 32396 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 4013012 is about 2003.2503587919. The cubic root of 4013012 is about 158.9120460776.

Adding to 4013012 its reverse (2103104), we get a palindrome (6116116).

The spelling of 4013012 in words is "four million, thirteen thousand, twelve".