12054431 has 2 divisors, whose sum is σ = 12054432. Its totient is φ = 12054430.

The previous prime is 12054421. The next prime is 12054463. The reversal of 12054431 is 13445021.

12054431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13445021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12054431 - 2¹⁰ = 12053407 is a prime.

It is a super-2 number, since 2×12054431² = 290618613467522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12054421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6027215 + 6027216.

It is an arithmetic number, because the mean of its divisors is an integer number (6027216).

Almost surely, 2^12054431 is an apocalyptic number.

12054431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12054431 is an equidigital number, since it uses as much as digits as its factorization.

12054431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12054431 is about 3471.9491643744. The cubic root of 12054431 is about 229.2884816759.

Adding to 12054431 its reverse (13445021), we get a palindrome (25499452).

The spelling of 12054431 in words is "twelve million, fifty-four thousand, four hundred thirty-one".