1296330 has 32 divisors (see below), whose sum is σ = 3556224. Its totient is φ = 296256.

The previous prime is 1296319. The next prime is 1296331. The reversal of 1296330 is 336921.

1296330 = T₃₅₀ + T₃₅₁ + ... + T₃₆₉.

It is a self number, because there is not a number n which added to its sum of digits gives 1296330.

It is not an unprimeable number, because it can be changed into a prime (1296331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2877 + ... + 3296.

It is an arithmetic number, because the mean of its divisors is an integer number (111132).

2^1296330 is an apocalyptic number.

1296330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1296330 is an abundant number, since it is smaller than the sum of its proper divisors (2259894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1296330 is a wasteful number, since it uses less digits than its factorization.

1296330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6190.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 1296330 is about 1138.5648861615. The cubic root of 1296330 is about 109.0364886395.

It can be divided in two parts, 12 and 96330, that multiplied together give a triangular number (1155960 = T₁₅₂₀).

The spelling of 1296330 in words is "one million, two hundred ninety-six thousand, three hundred thirty".