12661414 has 4 divisors (see below), whose sum is σ = 18992124. Its totient is φ = 6330706.

The previous prime is 12661399. The next prime is 12661433. The reversal of 12661414 is 41416621.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12661414² = 320622808958792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3165352 + ... + 3165355.

It is an arithmetic number, because the mean of its divisors is an integer number (4748031).

Almost surely, 2^12661414 is an apocalyptic number.

12661414 is a deficient number, since it is larger than the sum of its proper divisors (6330710).

12661414 is an equidigital number, since it uses as much as digits as its factorization.

12661414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330709.

The product of its digits is 1152, while the sum is 25.

The square root of 12661414 is about 3558.2880715310. The cubic root of 12661414 is about 233.0741289427.

The spelling of 12661414 in words is "twelve million, six hundred sixty-one thousand, four hundred fourteen".