12661474 has 16 divisors (see below), whose sum is σ = 22292928. Its totient is φ = 5279472.

The previous prime is 12661469. The next prime is 12661483. The reversal of 12661474 is 47416621.

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, 11704 + ... + 12739.

It is an arithmetic number, because the mean of its divisors is an integer number (1393308).

Almost surely, 2^12661474 is an apocalyptic number.

12661474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12661474 is a deficient number, since it is larger than the sum of its proper divisors (9631454).

12661474 is a wasteful number, since it uses less digits than its factorization.

12661474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24489.

The product of its digits is 8064, while the sum is 31.

The square root of 12661474 is about 3558.2965025416. The cubic root of 12661474 is about 233.0744971066.

The spelling of 12661474 in words is "twelve million, six hundred sixty-one thousand, four hundred seventy-four".