1387048 has 16 divisors (see below), whose sum is σ = 2800980. Its totient is φ = 640128.

The previous prime is 1387039. The next prime is 1387069. The reversal of 1387048 is 8407831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1258884 + 128164 = 1122^2 + 358^2 .

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, 6565 + ... + 6772.

2^1387048 is an apocalyptic number.

It is an amenable number.

1387048 is an abundant number, since it is smaller than the sum of its proper divisors (1413932).

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

1387048 is a wasteful number, since it uses less digits than its factorization.

1387048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13356 (or 13352 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1387048 is about 1177.7300199961. The cubic root of 1387048 is about 111.5228424850.

The spelling of 1387048 in words is "one million, three hundred eighty-seven thousand, forty-eight".