1373845 has 8 divisors (see below), whose sum is σ = 1798560. Its totient is φ = 999120.

The previous prime is 1373843. The next prime is 1373849. The reversal of 1373845 is 5483731.

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

It is not a de Polignac number, because 1373845 - 2¹ = 1373843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373843) 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, 12435 + ... + 12544.

It is an arithmetic number, because the mean of its divisors is an integer number (224820).

2^1373845 is an apocalyptic number.

It is an amenable number.

1373845 is a deficient number, since it is larger than the sum of its proper divisors (424715).

1373845 is a wasteful number, since it uses less digits than its factorization.

1373845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24995.

The product of its digits is 10080, while the sum is 31.

The square root of 1373845 is about 1172.1113428339. Note that the first 3 decimals coincide. The cubic root of 1373845 is about 111.1678600851.

The spelling of 1373845 in words is "one million, three hundred seventy-three thousand, eight hundred forty-five".