1371456 has 42 divisors (see below), whose sum is σ = 3932682. Its totient is φ = 456960.

The previous prime is 1371449. The next prime is 1371493. The reversal of 1371456 is 6541731.

It can be written as a sum of positive squares in only one way, i.e., 705600 + 665856 = 840^2 + 816^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 615 + ... + 1766.

2^1371456 is an apocalyptic number.

1371456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1371456 is an abundant number, since it is smaller than the sum of its proper divisors (2561226).

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

1371456 is a wasteful number, since it uses less digits than its factorization.

1371456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399 (or 2386 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 1371456 is about 1171.0917982806. The cubic root of 1371456 is about 111.1033855369.

The spelling of 1371456 in words is "one million, three hundred seventy-one thousand, four hundred fifty-six".