1318401 has 24 divisors (see below), whose sum is σ = 2306304. Its totient is φ = 708480.

The previous prime is 1318379. The next prime is 1318409. The reversal of 1318401 is 1048131.

It is not a de Polignac number, because 1318401 - 2¹⁰ = 1317377 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456 + ... + 1686.

It is an arithmetic number, because the mean of its divisors is an integer number (96096).

2^1318401 is an apocalyptic number.

It is an amenable number.

1318401 is a deficient number, since it is larger than the sum of its proper divisors (987903).

1318401 is a wasteful number, since it uses less digits than its factorization.

1318401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1318401 is about 1148.2164430106. The cubic root of 1318401 is about 109.6518191832.

It can be divided in two parts, 131840 and 1, that added together give a triangular number (131841 = T₅₁₃).

The spelling of 1318401 in words is "one million, three hundred eighteen thousand, four hundred one".