1326457 has 4 divisors (see below), whose sum is σ = 1447056. Its totient is φ = 1205860.

The previous prime is 1326449. The next prime is 1326461. The reversal of 1326457 is 7546231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1326457 - 2³ = 1326449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326427) 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, 60283 + ... + 60304.

It is an arithmetic number, because the mean of its divisors is an integer number (361764).

2^1326457 is an apocalyptic number.

It is an amenable number.

1326457 is a deficient number, since it is larger than the sum of its proper divisors (120599).

1326457 is a wasteful number, since it uses less digits than its factorization.

1326457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120598.

The product of its digits is 5040, while the sum is 28.

The square root of 1326457 is about 1151.7191497930. The cubic root of 1326457 is about 109.8747058242.

The spelling of 1326457 in words is "one million, three hundred twenty-six thousand, four hundred fifty-seven".