1413457 has 4 divisors (see below), whose sum is σ = 1440180. Its totient is φ = 1386736.

The previous prime is 1413449. The next prime is 1413479. The reversal of 1413457 is 7543141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1256641 + 156816 = 1121^2 + 396^2 .

It is a cyclic number.

It is not a de Polignac number, because 1413457 - 2³ = 1413449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1413427) 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, 13282 + ... + 13387.

It is an arithmetic number, because the mean of its divisors is an integer number (360045).

2^1413457 is an apocalyptic number.

It is an amenable number.

1413457 is a deficient number, since it is larger than the sum of its proper divisors (26723).

1413457 is an equidigital number, since it uses as much as digits as its factorization.

1413457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26722.

The product of its digits is 1680, while the sum is 25.

The square root of 1413457 is about 1188.8889771547. Note that the first 3 decimals coincide. The cubic root of 1413457 is about 112.2261851287.

Adding to 1413457 its reverse (7543141), we get a palindrome (8956598).

The spelling of 1413457 in words is "one million, four hundred thirteen thousand, four hundred fifty-seven".