13434428 has 18 divisors (see below), whose sum is σ = 27349056. Its totient is φ = 5757528.

The previous prime is 13434427. The next prime is 13434451. The reversal of 13434428 is 82443431.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13434428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34076 + ... + 34467.

It is an arithmetic number, because the mean of its divisors is an integer number (1519392).

Almost surely, 2^13434428 is an apocalyptic number.

It is an amenable number.

13434428 is an abundant number, since it is smaller than the sum of its proper divisors (13914628).

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

13434428 is a wasteful number, since it uses less digits than its factorization.

13434428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68561 (or 68552 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 13434428 is about 3665.3005333806. The cubic root of 13434428 is about 237.7240168892.

Adding to 13434428 its reverse (82443431), we get a palindrome (95877859).

The spelling of 13434428 in words is "thirteen million, four hundred thirty-four thousand, four hundred twenty-eight".