1294664 has 32 divisors (see below), whose sum is σ = 2827200. Its totient is φ = 544320.

The previous prime is 1294651. The next prime is 1294691. The reversal of 1294664 is 4664921.

1294664 = T₂₂₇ + T₂₂₈ + ... + T₂₆₈.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1294664.

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, 3227 + ... + 3605.

It is an arithmetic number, because the mean of its divisors is an integer number (88350).

2^1294664 is an apocalyptic number.

1294664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1294664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413600).

1294664 is an abundant number, since it is smaller than the sum of its proper divisors (1532536).

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

1294664 is a wasteful number, since it uses less digits than its factorization.

1294664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 449 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 1294664 is about 1137.8330281724. The cubic root of 1294664 is about 108.9897585979.

The spelling of 1294664 in words is "one million, two hundred ninety-four thousand, six hundred sixty-four".