12954661 has 4 divisors (see below), whose sum is σ = 13048000. Its totient is φ = 12861324.

The previous prime is 12954611. The next prime is 12954673. The reversal of 12954661 is 16645921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16645921 = 1321 ⋅12601.

It is a cyclic number.

It is not a de Polignac number, because 12954661 - 2⁷ = 12954533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12954611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46461 + ... + 46738.

It is an arithmetic number, because the mean of its divisors is an integer number (3262000).

Almost surely, 2^12954661 is an apocalyptic number.

It is an amenable number.

12954661 is a deficient number, since it is larger than the sum of its proper divisors (93339).

12954661 is an equidigital number, since it uses as much as digits as its factorization.

12954661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93338.

The product of its digits is 12960, while the sum is 34.

The square root of 12954661 is about 3599.2583958366. The cubic root of 12954661 is about 234.8597986720.

The spelling of 12954661 in words is "twelve million, nine hundred fifty-four thousand, six hundred sixty-one".