1346403 has 4 divisors (see below), whose sum is σ = 1795208. Its totient is φ = 897600.

The previous prime is 1346377. The next prime is 1346419. The reversal of 1346403 is 3046431.

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

It is a de Polignac number, because none of the positive numbers 2^k-1346403 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1346403.

It is not an unprimeable number, because it can be changed into a prime (1346483) 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, 224398 + ... + 224403.

It is an arithmetic number, because the mean of its divisors is an integer number (448802).

2^1346403 is an apocalyptic number.

1346403 is a deficient number, since it is larger than the sum of its proper divisors (448805).

1346403 is an equidigital number, since it uses as much as digits as its factorization.

1346403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448804.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1346403 is about 1160.3460690673. The cubic root of 1346403 is about 110.4226986776.

The spelling of 1346403 in words is "one million, three hundred forty-six thousand, four hundred three".