1397070 has 72 divisors (see below), whose sum is σ = 3922776. Its totient is φ = 344736.

The previous prime is 1397069. The next prime is 1397087. The reversal of 1397070 is 707931.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32469 + ... + 32511.

It is an arithmetic number, because the mean of its divisors is an integer number (54483).

2^1397070 is an apocalyptic number.

1397070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1397070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1961388).

1397070 is an abundant number, since it is smaller than the sum of its proper divisors (2525706).

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

1397070 is a wasteful number, since it uses less digits than its factorization.

1397070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 1397070 is about 1181.9771571397. The cubic root of 1397070 is about 111.7907978298.

The spelling of 1397070 in words is "one million, three hundred ninety-seven thousand, seventy".