13434427 has 2 divisors, whose sum is σ = 13434428. Its totient is φ = 13434426.

The previous prime is 13434419. The next prime is 13434451. The reversal of 13434427 is 72443431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13434427 - 2³ = 13434419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13434395 and 13434404.

It is not a weakly prime, because it can be changed into another prime (13404427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6717213 + 6717214.

It is an arithmetic number, because the mean of its divisors is an integer number (6717214).

Almost surely, 2^13434427 is an apocalyptic number.

13434427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13434427 is an equidigital number, since it uses as much as digits as its factorization.

13434427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 28.

The square root of 13434427 is about 3665.3003969661. The cubic root of 13434427 is about 237.7240109908.

Adding to 13434427 its reverse (72443431), we get a palindrome (85877858).

It can be divided in two parts, 13434 and 427, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 13434427 in words is "thirteen million, four hundred thirty-four thousand, four hundred twenty-seven".