12606401 has 8 divisors (see below), whose sum is σ = 13455360. Its totient is φ = 11769408.

The previous prime is 12606397. The next prime is 12606409. The reversal of 12606401 is 10460621.

It is a happy number.

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 12606401 - 2² = 12606397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12606409) 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, 761 + ... + 5078.

It is an arithmetic number, because the mean of its divisors is an integer number (1681920).

Almost surely, 2^12606401 is an apocalyptic number.

It is an amenable number.

12606401 is a deficient number, since it is larger than the sum of its proper divisors (848959).

12606401 is a wasteful number, since it uses less digits than its factorization.

12606401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5983.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12606401 is about 3550.5493941079. The cubic root of 12606401 is about 232.7360750094.

The spelling of 12606401 in words is "twelve million, six hundred six thousand, four hundred one".