12073400 has 96 divisors (see below), whose sum is σ = 30734640. Its totient is φ = 4392960.

The previous prime is 12073387. The next prime is 12073403. The reversal of 12073400 is 437021.

It is a happy number.

12073400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12073403) 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, 180167 + ... + 180233.

Almost surely, 2^12073400 is an apocalyptic number.

12073400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12073400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15367320).

12073400 is an abundant number, since it is smaller than the sum of its proper divisors (18661240).

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

12073400 is a wasteful number, since it uses less digits than its factorization.

12073400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 12073400 is about 3474.6798413667. The cubic root of 12073400 is about 229.4086890307.

The spelling of 12073400 in words is "twelve million, seventy-three thousand, four hundred".