8403012 has 18 divisors (see below), whose sum is σ = 21241038. Its totient is φ = 2800992.

The previous prime is 8402971. The next prime is 8403029. The reversal of 8403012 is 2103048.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7918596 + 484416 = 2814^2 + 696^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×8403012² = 141221221344288, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 116673 + ... + 116744.

Almost surely, 2^8403012 is an apocalyptic number.

It is an amenable number.

8403012 is an abundant number, since it is smaller than the sum of its proper divisors (12838026).

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

8403012 is a wasteful number, since it uses less digits than its factorization.

8403012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233427 (or 233422 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 8403012 is about 2898.7949220323. The cubic root of 8403012 is about 203.3035651724.

The spelling of 8403012 in words is "eight million, four hundred three thousand, twelve".