12610945 has 4 divisors (see below), whose sum is σ = 15133140. Its totient is φ = 10088752.

The previous prime is 12610943. The next prime is 12610951. The reversal of 12610945 is 54901621.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6574096 + 6036849 = 2564^2 + 2457^2 .

It is a cyclic number.

It is not a de Polignac number, because 12610945 - 2¹ = 12610943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12610943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261090 + ... + 1261099.

It is an arithmetic number, because the mean of its divisors is an integer number (3783285).

Almost surely, 2^12610945 is an apocalyptic number.

It is an amenable number.

12610945 is a deficient number, since it is larger than the sum of its proper divisors (2522195).

12610945 is an equidigital number, since it uses as much as digits as its factorization.

12610945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522194.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 12610945 is about 3551.1892374246. The cubic root of 12610945 is about 232.7640350298.

The spelling of 12610945 in words is "twelve million, six hundred ten thousand, nine hundred forty-five".