12197340 has 36 divisors (see below), whose sum is σ = 36999144. Its totient is φ = 3252576.

The previous prime is 12197329. The next prime is 12197369. The reversal of 12197340 is 4379121.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33702 + ... + 34061.

It is an arithmetic number, because the mean of its divisors is an integer number (1027754).

Almost surely, 2^12197340 is an apocalyptic number.

12197340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12197340 is an abundant number, since it is smaller than the sum of its proper divisors (24801804).

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

12197340 is a wasteful number, since it uses less digits than its factorization.

12197340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67778 (or 67773 counting only the distinct ones).

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

The square root of 12197340 is about 3492.4690406645. The cubic root of 12197340 is about 230.1910196343.

It can be divided in two parts, 121 and 97340, that added together give a triangular number (97461 = T₄₄₁).

The spelling of 12197340 in words is "twelve million, one hundred ninety-seven thousand, three hundred forty".