13130434 has 12 divisors (see below), whose sum is σ = 19956726. Its totient is φ = 6479312.

The previous prime is 13130419. The next prime is 13130441. The reversal of 13130434 is 43403131.

It can be written as a sum of positive squares in only one way, i.e., 11580409 + 1550025 = 3403^2 + 1245^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13302 + ... + 14254.

Almost surely, 2^13130434 is an apocalyptic number.

13130434 is a deficient number, since it is larger than the sum of its proper divisors (6826292).

13130434 is an frugal number, since it uses more digits than its factorization.

13130434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13130434 is about 3623.5940721886. The cubic root of 13130434 is about 235.9172481104.

Adding to 13130434 its reverse (43403131), we get a palindrome (56533565).

The spelling of 13130434 in words is "thirteen million, one hundred thirty thousand, four hundred thirty-four".