12694464 has 42 divisors (see below), whose sum is σ = 36388040. Its totient is φ = 4231296.

The previous prime is 12694463. The next prime is 12694471. The reversal of 12694464 is 46449621.

It is a super-2 number, since 2×12694464² = 322298832494592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12694463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10444 + ... + 11595.

Almost surely, 2^12694464 is an apocalyptic number.

It is an amenable number.

12694464 is an abundant number, since it is smaller than the sum of its proper divisors (23693576).

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

12694464 is a wasteful number, since it uses less digits than its factorization.

12694464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22057 (or 22044 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 12694464 is about 3562.9291320485. The cubic root of 12694464 is about 233.2767499985.

The spelling of 12694464 in words is "twelve million, six hundred ninety-four thousand, four hundred sixty-four".