1357456 has 20 divisors (see below), whose sum is σ = 2702332. Its totient is φ = 660096.

The previous prime is 1357453. The next prime is 1357463. The reversal of 1357456 is 6547531.

It can be written as a sum of positive squares in 2 ways, for example, as 839056 + 518400 = 916^2 + 720^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357453) 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, 555 + ... + 1738.

2^1357456 is an apocalyptic number.

1357456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1357456 is a deficient number, since it is larger than the sum of its proper divisors (1344876).

1357456 is a wasteful number, since it uses less digits than its factorization.

1357456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338 (or 2332 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 1357456 is about 1165.0991374128. The cubic root of 1357456 is about 110.7240392180.

The spelling of 1357456 in words is "one million, three hundred fifty-seven thousand, four hundred fifty-six".