1321463 has 8 divisors (see below), whose sum is σ = 1552656. Its totient is φ = 1108800.

The previous prime is 1321459. The next prime is 1321477. The reversal of 1321463 is 3641231.

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

It is not a de Polignac number, because 1321463 - 2² = 1321459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321483) 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, 4478 + ... + 4763.

It is an arithmetic number, because the mean of its divisors is an integer number (194082).

2^1321463 is an apocalyptic number.

1321463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1321463 is a deficient number, since it is larger than the sum of its proper divisors (231193).

1321463 is a wasteful number, since it uses less digits than its factorization.

1321463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9265.

The product of its digits is 432, while the sum is 20.

The square root of 1321463 is about 1149.5490420160. The cubic root of 1321463 is about 109.7366427117.

Adding to 1321463 its reverse (3641231), we get a palindrome (4962694).

The spelling of 1321463 in words is "one million, three hundred twenty-one thousand, four hundred sixty-three".