12694530 has 32 divisors (see below), whose sum is σ = 30576384. Its totient is φ = 3373056.

The previous prime is 12694523. The next prime is 12694541. The reversal of 12694530 is 3549621.

It is a super-2 number, since 2×12694530² = 322302183841800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10434 + ... + 11586.

It is an arithmetic number, because the mean of its divisors is an integer number (955512).

Almost surely, 2^12694530 is an apocalyptic number.

12694530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12694530 is an abundant number, since it is smaller than the sum of its proper divisors (17881854).

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

12694530 is a wasteful number, since it uses less digits than its factorization.

12694530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 12694530 is about 3562.9383940787. The cubic root of 12694530 is about 233.2771542755.

The spelling of 12694530 in words is "twelve million, six hundred ninety-four thousand, five hundred thirty".