12670436 has 12 divisors (see below), whose sum is σ = 22205820. Its totient is φ = 6325920.

The previous prime is 12670433. The next prime is 12670453. The reversal of 12670436 is 63407621.

It can be written as a sum of positive squares in 2 ways, for example, as 9572836 + 3097600 = 3094^2 + 1760^2 .

It is a super-3 number, since 3×12670436³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12670399 and 12670408.

It is not an unprimeable number, because it can be changed into a prime (12670433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406 + ... + 5226.

It is an arithmetic number, because the mean of its divisors is an integer number (1850485).

Almost surely, 2^12670436 is an apocalyptic number.

It is an amenable number.

12670436 is a deficient number, since it is larger than the sum of its proper divisors (9535384).

12670436 is a wasteful number, since it uses less digits than its factorization.

12670436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654 (or 4652 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 12670436 is about 3559.5555902388. Note that the first 4 decimals coincide. The cubic root of 12670436 is about 233.1294754608.

The spelling of 12670436 in words is "twelve million, six hundred seventy thousand, four hundred thirty-six".