12011430 has 16 divisors (see below), whose sum is σ = 28827504. Its totient is φ = 3203040.

The previous prime is 12011411. The next prime is 12011459. The reversal of 12011430 is 3411021.

It is a happy number.

It is a congruent number.

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, 200161 + ... + 200220.

It is an arithmetic number, because the mean of its divisors is an integer number (1801719).

Almost surely, 2^12011430 is an apocalyptic number.

12011430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011430 is an abundant number, since it is smaller than the sum of its proper divisors (16816074).

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

12011430 is a wasteful number, since it uses less digits than its factorization.

12011430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400391.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12011430 is about 3465.7510008655. The cubic root of 12011430 is about 229.0155147984.

Adding to 12011430 its reverse (3411021), we get a palindrome (15422451).

The spelling of 12011430 in words is "twelve million, eleven thousand, four hundred thirty".