12910261 has 8 divisors (see below), whose sum is σ = 15889664. Its totient is φ = 10214640.

The previous prime is 12910243. The next prime is 12910279. The reversal of 12910261 is 16201921.

It is an interprime number because it is at equal distance from previous prime (12910243) and next prime (12910279).

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 12910261 - 2¹⁹ = 12385973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12910201) 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, 70845 + ... + 71026.

It is an arithmetic number, because the mean of its divisors is an integer number (1986208).

Almost surely, 2^12910261 is an apocalyptic number.

It is an amenable number.

12910261 is a deficient number, since it is larger than the sum of its proper divisors (2979403).

12910261 is a wasteful number, since it uses less digits than its factorization.

12910261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141891.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 12910261 is about 3593.0851645905. The cubic root of 12910261 is about 234.5911769261.

The spelling of 12910261 in words is "twelve million, nine hundred ten thousand, two hundred sixty-one".