1348421 has 6 divisors (see below), whose sum is σ = 1410150. Its totient is φ = 1289288.

The previous prime is 1348409. The next prime is 1348427. The reversal of 1348421 is 1248431.

It can be written as a sum of positive squares in only one way, i.e., 1322500 + 25921 = 1150^2 + 161^2 .

It is not a de Polignac number, because 1348421 - 2⁶ = 1348357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 746 + ... + 1803.

It is an arithmetic number, because the mean of its divisors is an integer number (235025).

2^1348421 is an apocalyptic number.

It is an amenable number.

1348421 is a deficient number, since it is larger than the sum of its proper divisors (61729).

1348421 is an equidigital number, since it uses as much as digits as its factorization.

1348421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595 (or 2572 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 1348421 is about 1161.2153116455. The cubic root of 1348421 is about 110.4778386247.

The spelling of 1348421 in words is "one million, three hundred forty-eight thousand, four hundred twenty-one".