12577434 has 16 divisors (see below), whose sum is σ = 25193280. Its totient is φ = 4186080.

The previous prime is 12577421. The next prime is 12577459. The reversal of 12577434 is 43477521.

It is a junction number, because it is equal to n+sod(n) for n = 12577395 and 12577404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4374 + ... + 6654.

It is an arithmetic number, because the mean of its divisors is an integer number (1574580).

Almost surely, 2^12577434 is an apocalyptic number.

12577434 is an abundant number, since it is smaller than the sum of its proper divisors (12615846).

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

12577434 is a wasteful number, since it uses less digits than its factorization.

12577434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205.

The product of its digits is 23520, while the sum is 33.

The square root of 12577434 is about 3546.4678202403. The cubic root of 12577434 is about 232.5576779090.

The spelling of 12577434 in words is "twelve million, five hundred seventy-seven thousand, four hundred thirty-four".