12697020 has 96 divisors (see below), whose sum is σ = 45158400. Its totient is φ = 2901312.

The previous prime is 12696991. The next prime is 12697021. The reversal of 12697020 is 2079621.

It is a super-2 number, since 2×12697020² = 322428633760800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12697021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2101 + ... + 5459.

It is an arithmetic number, because the mean of its divisors is an integer number (470400).

Almost surely, 2^12697020 is an apocalyptic number.

12697020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12697020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22579200).

12697020 is an abundant number, since it is smaller than the sum of its proper divisors (32461380).

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

12697020 is a wasteful number, since it uses less digits than its factorization.

12697020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384 (or 3376 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12697020 is about 3563.2878076294. The cubic root of 12697020 is about 233.2924055199.

The spelling of 12697020 in words is "twelve million, six hundred ninety-seven thousand, twenty".