1296507 has 8 divisors (see below), whose sum is σ = 1742400. Its totient is φ = 857480.

The previous prime is 1296499. The next prime is 1296511. The reversal of 1296507 is 7056921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1296507 - 2³ = 1296499 is a prime.

It is an Ulam number.

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

It is not an unprimeable number, because it can be changed into a prime (1296557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257 + ... + 2042.

It is an arithmetic number, because the mean of its divisors is an integer number (217800).

2^1296507 is an apocalyptic number.

1296507 is a deficient number, since it is larger than the sum of its proper divisors (445893).

1296507 is a wasteful number, since it uses less digits than its factorization.

1296507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1296507 is about 1138.6426129388. The cubic root of 1296507 is about 109.0414510025.

The spelling of 1296507 in words is "one million, two hundred ninety-six thousand, five hundred seven".