9012400 has 30 divisors (see below), whose sum is σ = 21653252. Its totient is φ = 3604800.

The previous prime is 9012383. The next prime is 9012401. The reversal of 9012400 is 42109.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (9012401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10866 + ... + 11665.

Almost surely, 2^9012400 is an apocalyptic number.

It is an amenable number.

9012400 is an abundant number, since it is smaller than the sum of its proper divisors (12640852).

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

9012400 is a wasteful number, since it uses less digits than its factorization.

9012400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22549 (or 22538 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 9012400 is about 3002.0659553048. The cubic root of 9012400 is about 208.1038682414.

Adding to 9012400 its reverse (42109), we get a palindrome (9054509).

The spelling of 9012400 in words is "nine million, twelve thousand, four hundred".