1298966 has 4 divisors (see below), whose sum is σ = 1948452. Its totient is φ = 649482.

The previous prime is 1298963. The next prime is 1298981. The reversal of 1298966 is 6698921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6698921 = 71 ⋅94351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324740 + ... + 324743.

It is an arithmetic number, because the mean of its divisors is an integer number (487113).

2^1298966 is an apocalyptic number.

1298966 is a deficient number, since it is larger than the sum of its proper divisors (649486).

1298966 is an equidigital number, since it uses as much as digits as its factorization.

1298966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649485.

The product of its digits is 46656, while the sum is 41.

The square root of 1298966 is about 1139.7218959027. The cubic root of 1298966 is about 109.1103447274.

It can be divided in two parts, 129896 and 6, that multiplied together give a triangular number (779376 = T₁₂₄₈).

The spelling of 1298966 in words is "one million, two hundred ninety-eight thousand, nine hundred sixty-six".