1372401 has 12 divisors (see below), whose sum is σ = 2046720. Its totient is φ = 885240.
The previous prime is 1372391. The next prime is 1372403. The reversal of 1372401 is 1042731.
It is not a de Polignac number, because 1372401 - 25 = 1372369 is a prime.
1372401 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1372403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2181 + ... + 2738.
It is an arithmetic number, because the mean of its divisors is an integer number (170560).
21372401 is an apocalyptic number.
It is an amenable number.
1372401 is a deficient number, since it is larger than the sum of its proper divisors (674319).
1372401 is a wasteful number, since it uses less digits than its factorization.
1372401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4956 (or 4953 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 1372401 is about 1171.4951984537. The cubic root of 1372401 is about 111.1288982265.
The spelling of 1372401 in words is "one million, three hundred seventy-two thousand, four hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •