12697380 has 72 divisors (see below), whose sum is σ = 40203072. Its totient is φ = 3237696.

The previous prime is 12697367. The next prime is 12697393. The reversal of 12697380 is 8379621.

12697380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12697367) and next prime (12697393).

It is a super-2 number, since 2×12697380² = 322446917728800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2607 + ... + 5673.

It is an arithmetic number, because the mean of its divisors is an integer number (558376).

Almost surely, 2^12697380 is an apocalyptic number.

12697380 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 12697380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20101536).

12697380 is an abundant number, since it is smaller than the sum of its proper divisors (27505692).

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

12697380 is a wasteful number, since it uses less digits than its factorization.

12697380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105 (or 3100 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12697380 is about 3563.3383224162. The cubic root of 12697380 is about 233.2946103541.

It can be divided in two parts, 1269 and 7380, that added together give a square (8649 = 93²).

The spelling of 12697380 in words is "twelve million, six hundred ninety-seven thousand, three hundred eighty".