1372898 has 4 divisors (see below), whose sum is σ = 2059350. Its totient is φ = 686448.

The previous prime is 1372879. The next prime is 1372913. The reversal of 1372898 is 8982731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8982731 = 41 ⋅219091.

It can be written as a sum of positive squares in only one way, i.e., 1067089 + 305809 = 1033^2 + 553^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 343223 + ... + 343226.

2^1372898 is an apocalyptic number.

1372898 is a deficient number, since it is larger than the sum of its proper divisors (686452).

1372898 is an equidigital number, since it uses as much as digits as its factorization.

1372898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686451.

The product of its digits is 24192, while the sum is 38.

The square root of 1372898 is about 1171.7073013343. The cubic root of 1372898 is about 111.1423113122.

The spelling of 1372898 in words is "one million, three hundred seventy-two thousand, eight hundred ninety-eight".