1296455 has 8 divisors (see below), whose sum is σ = 1562112. Its totient is φ = 1032928.

The previous prime is 1296419. The next prime is 1296467. The reversal of 1296455 is 5546921.

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 1296455 - 2⁶ = 1296391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577 + ... + 2253.

It is an arithmetic number, because the mean of its divisors is an integer number (195264).

2^1296455 is an apocalyptic number.

1296455 is a deficient number, since it is larger than the sum of its proper divisors (265657).

1296455 is an equidigital number, since it uses as much as digits as its factorization.

1296455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065.

The product of its digits is 10800, while the sum is 32.

The square root of 1296455 is about 1138.6197785038. The cubic root of 1296455 is about 109.0399931800.

It can be divided in two parts, 129 and 6455, that multiplied together give a triangular number (832695 = T₁₂₉₀).

The spelling of 1296455 in words is "one million, two hundred ninety-six thousand, four hundred fifty-five".