12913434 has 12 divisors (see below), whose sum is σ = 27979146. Its totient is φ = 4304472.

The previous prime is 12913429. The next prime is 12913447. The reversal of 12913434 is 43431921.

It can be written as a sum of positive squares in only one way, i.e., 6487209 + 6426225 = 2547^2 + 2535^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12913398 and 12913407.

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, 358689 + ... + 358724.

Almost surely, 2^12913434 is an apocalyptic number.

12913434 is an abundant number, since it is smaller than the sum of its proper divisors (15065712).

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

12913434 is a wasteful number, since it uses less digits than its factorization.

12913434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717421 (or 717418 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 12913434 is about 3593.5266800178. The cubic root of 12913434 is about 234.6103941165.

The spelling of 12913434 in words is "twelve million, nine hundred thirteen thousand, four hundred thirty-four".