1397560 has 16 divisors (see below), whose sum is σ = 3144600. Its totient is φ = 559008.

The previous prime is 1397551. The next prime is 1397563. The reversal of 1397560 is 657931.

It is a super-3 number, since 3×1397560³ = 8189033371779648000, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397563) 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, 17430 + ... + 17509.

2^1397560 is an apocalyptic number.

1397560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1397560 is an abundant number, since it is smaller than the sum of its proper divisors (1747040).

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

1397560 is a wasteful number, since it uses less digits than its factorization.

1397560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34950 (or 34946 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 1397560 is about 1182.1844187774. The cubic root of 1397560 is about 111.8038659147.

The spelling of 1397560 in words is "one million, three hundred ninety-seven thousand, five hundred sixty".