1356373 has 4 divisors (see below), whose sum is σ = 1385280. Its totient is φ = 1327468.

The previous prime is 1356371. The next prime is 1356389. The reversal of 1356373 is 3736531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3736531 = 103 ⋅36277.

It is not a de Polignac number, because 1356373 - 2¹ = 1356371 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 (1356371) 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, 14383 + ... + 14476.

It is an arithmetic number, because the mean of its divisors is an integer number (346320).

2^1356373 is an apocalyptic number.

It is an amenable number.

1356373 is a deficient number, since it is larger than the sum of its proper divisors (28907).

1356373 is an equidigital number, since it uses as much as digits as its factorization.

1356373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28906.

The product of its digits is 5670, while the sum is 28.

The square root of 1356373 is about 1164.6342773592. The cubic root of 1356373 is about 110.6945855836.

It can be divided in two parts, 13563 and 73, that multiplied together give a palindrome (990099).

The spelling of 1356373 in words is "one million, three hundred fifty-six thousand, three hundred seventy-three".