1373456 has 20 divisors (see below), whose sum is σ = 3041472. Its totient is φ = 588576.

The previous prime is 1373441. The next prime is 1373473. The reversal of 1373456 is 6543731.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6020 + ... + 6243.

2^1373456 is an apocalyptic number.

1373456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1373456 is an abundant number, since it is smaller than the sum of its proper divisors (1668016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373456 is a wasteful number, since it uses less digits than its factorization.

1373456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12278 (or 12272 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 1373456 is about 1171.9453912192. The cubic root of 1373456 is about 111.1573668151.

The spelling of 1373456 in words is "one million, three hundred seventy-three thousand, four hundred fifty-six".