1373401 has 4 divisors (see below), whose sum is σ = 1390032. Its totient is φ = 1356772.

The previous prime is 1373381. The next prime is 1373417. The reversal of 1373401 is 1043731.

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: 1043731 = 13 ⋅80287.

It is a cyclic number.

It is not a de Polignac number, because 1373401 - 2⁵ = 1373369 is a prime.

It is a Duffinian number.

1373401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1373431) 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, 8191 + ... + 8356.

It is an arithmetic number, because the mean of its divisors is an integer number (347508).

2^1373401 is an apocalyptic number.

It is an amenable number.

1373401 is a deficient number, since it is larger than the sum of its proper divisors (16631).

1373401 is an equidigital number, since it uses as much as digits as its factorization.

1373401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16630.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1373401 is about 1171.9219257271. The cubic root of 1373401 is about 111.1558830309.

Adding to 1373401 its product of nonzero digits (252), we get a triangular number (1373653 = T₁₆₅₇).

The spelling of 1373401 in words is "one million, three hundred seventy-three thousand, four hundred one".