1387070 has 16 divisors (see below), whose sum is σ = 2583360. Its totient is φ = 535584.

The previous prime is 1387069. The next prime is 1387109. The reversal of 1387070 is 707831.

It is a Curzon number.

It is a congruent 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 in 7 ways as a sum of consecutive naturals, for example, 2102 + ... + 2681.

It is an arithmetic number, because the mean of its divisors is an integer number (161460).

2^1387070 is an apocalyptic number.

1387070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1387070 is a deficient number, since it is larger than the sum of its proper divisors (1196290).

1387070 is a wasteful number, since it uses less digits than its factorization.

1387070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 1387070 is about 1177.7393599604. The cubic root of 1387070 is about 111.5234321040.

The spelling of 1387070 in words is "one million, three hundred eighty-seven thousand, seventy".