12691446 has 16 divisors (see below), whose sum is σ = 26486784. Its totient is φ = 4046504.

The previous prime is 12691417. The next prime is 12691451. The reversal of 12691446 is 64419621.

It is a super-2 number, since 2×12691446² = 322145603141832, which contains 22 as substring.

It is a zygodrome in base 15.

It is a congruent number.

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, 45846 + ... + 46121.

It is an arithmetic number, because the mean of its divisors is an integer number (1655424).

Almost surely, 2^12691446 is an apocalyptic number.

12691446 is an abundant number, since it is smaller than the sum of its proper divisors (13795338).

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

12691446 is a wasteful number, since it uses less digits than its factorization.

12691446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91995.

The product of its digits is 10368, while the sum is 33.

The square root of 12691446 is about 3562.5055789430. The cubic root of 12691446 is about 233.2582620174.

The spelling of 12691446 in words is "twelve million, six hundred ninety-one thousand, four hundred forty-six".