12906461 has 4 divisors (see below), whose sum is σ = 12920124. Its totient is φ = 12892800.

The previous prime is 12906449. The next prime is 12906463. The reversal of 12906461 is 16460921.

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 2343961 + 10562500 = 1531^2 + 3250^2 .

It is a cyclic number.

It is not a de Polignac number, because 12906461 - 2¹⁰ = 12905437 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 (12906463) 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, 5300 + ... + 7341.

It is an arithmetic number, because the mean of its divisors is an integer number (3230031).

Almost surely, 2^12906461 is an apocalyptic number.

It is an amenable number.

12906461 is a deficient number, since it is larger than the sum of its proper divisors (13663).

12906461 is a wasteful number, since it uses less digits than its factorization.

12906461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13662.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 12906461 is about 3592.5563321958. The cubic root of 12906461 is about 234.5681581829.

The spelling of 12906461 in words is "twelve million, nine hundred six thousand, four hundred sixty-one".