12662545 has 8 divisors (see below), whose sum is σ = 17365824. Its totient is φ = 8682864.

The previous prime is 12662543. The next prime is 12662549. The reversal of 12662545 is 54526621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12662545 - 2¹ = 12662543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12662543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180859 + ... + 180928.

It is an arithmetic number, because the mean of its divisors is an integer number (2170728).

Almost surely, 2^12662545 is an apocalyptic number.

It is an amenable number.

12662545 is a deficient number, since it is larger than the sum of its proper divisors (4703279).

12662545 is an equidigital number, since it uses as much as digits as its factorization.

12662545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361799.

The product of its digits is 14400, while the sum is 31.

The square root of 12662545 is about 3558.4469927203. The cubic root of 12662545 is about 233.0810686361.

The spelling of 12662545 in words is "twelve million, six hundred sixty-two thousand, five hundred forty-five".