1296407 has 16 divisors (see below), whose sum is σ = 1562880. Its totient is φ = 1052352.

The previous prime is 1296391. The next prime is 1296409. The reversal of 1296407 is 7046921.

It is not a de Polignac number, because 1296407 - 2⁴ = 1296391 is a prime.

It is a super-2 number, since 2×1296407² = 3361342219298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1296407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17723 + ... + 17795.

It is an arithmetic number, because the mean of its divisors is an integer number (97680).

2^1296407 is an apocalyptic number.

1296407 is a deficient number, since it is larger than the sum of its proper divisors (266473).

1296407 is an equidigital number, since it uses as much as digits as its factorization.

1296407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1296407 is about 1138.5987001573. The cubic root of 1296407 is about 109.0386474631.

The spelling of 1296407 in words is "one million, two hundred ninety-six thousand, four hundred seven".