13434420 has 48 divisors (see below), whose sum is σ = 39832128. Its totient is φ = 3371520.

The previous prime is 13434419. The next prime is 13434427. The reversal of 13434420 is 2443431.

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 15 ways as a sum of consecutive naturals, for example, 5566 + ... + 7605.

It is an arithmetic number, because the mean of its divisors is an integer number (829836).

Almost surely, 2^13434420 is an apocalyptic number.

13434420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13434420 is an abundant number, since it is smaller than the sum of its proper divisors (26397708).

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

13434420 is a wasteful number, since it uses less digits than its factorization.

13434420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13200 (or 13198 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 13434420 is about 3665.2994420647. The cubic root of 13434420 is about 237.7239697021.

Adding to 13434420 its reverse (2443431), we get a palindrome (15877851).

The spelling of 13434420 in words is "thirteen million, four hundred thirty-four thousand, four hundred twenty".