1296945 has 32 divisors (see below), whose sum is σ = 2486400. Its totient is φ = 637632.

The previous prime is 1296929. The next prime is 1296949. The reversal of 1296945 is 5496921.

It is not a de Polignac number, because 1296945 - 2⁴ = 1296929 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1386 + ... + 2124.

It is an arithmetic number, because the mean of its divisors is an integer number (77700).

2^1296945 is an apocalyptic number.

1296945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1296945 is a deficient number, since it is larger than the sum of its proper divisors (1189455).

1296945 is a wasteful number, since it uses less digits than its factorization.

1296945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 760 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 1296945 is about 1138.8349309711. The cubic root of 1296945 is about 109.0537288070.

The spelling of 1296945 in words is "one million, two hundred ninety-six thousand, nine hundred forty-five".