1296406 has 8 divisors (see below), whose sum is σ = 1997280. Its totient is φ = 630648.

The previous prime is 1296391. The next prime is 1296409. The reversal of 1296406 is 6046921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296409) 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, 8686 + ... + 8833.

It is an arithmetic number, because the mean of its divisors is an integer number (249660).

2^1296406 is an apocalyptic number.

1296406 is a deficient number, since it is larger than the sum of its proper divisors (700874).

1296406 is a wasteful number, since it uses less digits than its factorization.

1296406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17558.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1296406 is about 1138.5982610210. The cubic root of 1296406 is about 109.0386194270.

The spelling of 1296406 in words is "one million, two hundred ninety-six thousand, four hundred six".