12040351 has 4 divisors (see below), whose sum is σ = 12047400. Its totient is φ = 12033304.

The previous prime is 12040349. The next prime is 12040361. The reversal of 12040351 is 15304021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15304021 = 937 ⋅16333.

It is a cyclic number.

It is not a de Polignac number, because 12040351 - 2¹ = 12040349 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840 + ... + 4978.

It is an arithmetic number, because the mean of its divisors is an integer number (3011850).

Almost surely, 2^12040351 is an apocalyptic number.

12040351 is a deficient number, since it is larger than the sum of its proper divisors (7049).

12040351 is an equidigital number, since it uses as much as digits as its factorization.

12040351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12040351 is about 3469.9208924700. The cubic root of 12040351 is about 229.1991745547.

Adding to 12040351 its reverse (15304021), we get a palindrome (27344372).

The spelling of 12040351 in words is "twelve million, forty thousand, three hundred fifty-one".