1426547 has 4 divisors (see below), whose sum is σ = 1428960. Its totient is φ = 1424136.

The previous prime is 1426543. The next prime is 1426553. The reversal of 1426547 is 7456241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7456241 = 13 ⋅573557.

It is a cyclic number.

It is not a de Polignac number, because 1426547 - 2² = 1426543 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (357240).

2^1426547 is an apocalyptic number.

1426547 is a deficient number, since it is larger than the sum of its proper divisors (2413).

1426547 is a wasteful number, since it uses less digits than its factorization.

1426547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412.

The product of its digits is 6720, while the sum is 29.

The square root of 1426547 is about 1194.3814298623. The cubic root of 1426547 is about 112.5715626988.

The spelling of 1426547 in words is "one million, four hundred twenty-six thousand, five hundred forty-seven".