12429541 has 2 divisors, whose sum is σ = 12429542. Its totient is φ = 12429540.

The previous prime is 12429523. The next prime is 12429551. The reversal of 12429541 is 14592421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10857025 + 1572516 = 3295^2 + 1254^2 .

It is an emirp because it is prime and its reverse (14592421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12429541 - 2¹³ = 12421349 is a prime.

It is equal to p₈₁₄₄₂₉ and since 12429541 and 814429 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12429511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6214770 + 6214771.

It is an arithmetic number, because the mean of its divisors is an integer number (6214771).

Almost surely, 2^12429541 is an apocalyptic number.

It is an amenable number.

12429541 is a deficient number, since it is larger than the sum of its proper divisors (1).

12429541 is an equidigital number, since it uses as much as digits as its factorization.

12429541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 12429541 is about 3525.5554172357. Note that the first 3 decimals coincide. The cubic root of 12429541 is about 231.6425641873.

The spelling of 12429541 in words is "twelve million, four hundred twenty-nine thousand, five hundred forty-one".