4551012 has 24 divisors (see below), whose sum is σ = 11799200. Its totient is φ = 1516968.

The previous prime is 4550993. The next prime is 4551023. The reversal of 4551012 is 2101554.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20962 + ... + 21177.

Almost surely, 2^4551012 is an apocalyptic number.

It is an amenable number.

4551012 is an abundant number, since it is smaller than the sum of its proper divisors (7248188).

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

4551012 is a wasteful number, since it uses less digits than its factorization.

4551012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42152 (or 42144 counting only the distinct ones).

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

The square root of 4551012 is about 2133.3101040402. The cubic root of 4551012 is about 165.7178640018.

Adding to 4551012 its reverse (2101554), we get a palindrome (6652566).

The spelling of 4551012 in words is "four million, five hundred fifty-one thousand, twelve".