1296931 has 4 divisors (see below), whose sum is σ = 1299592. Its totient is φ = 1294272.

The previous prime is 1296929. The next prime is 1296949. The reversal of 1296931 is 1396921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1396921 = 53 ⋅26357.

It is a cyclic number.

It is not a de Polignac number, because 1296931 - 2¹ = 1296929 is a prime.

It is a super-2 number, since 2×1296931² = 3364060037522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1296893 and 1296902.

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 3 ways as a sum of consecutive naturals, for example, 366 + ... + 1651.

It is an arithmetic number, because the mean of its divisors is an integer number (324898).

2^1296931 is an apocalyptic number.

1296931 is a deficient number, since it is larger than the sum of its proper divisors (2661).

1296931 is an equidigital number, since it uses as much as digits as its factorization.

1296931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660.

The product of its digits is 2916, while the sum is 31.

The square root of 1296931 is about 1138.8287843219. The cubic root of 1296931 is about 109.0533364085.

The spelling of 1296931 in words is "one million, two hundred ninety-six thousand, nine hundred thirty-one".