12190347 has 24 divisors (see below), whose sum is σ = 19580288. Its totient is φ = 7257600.

The previous prime is 12190337. The next prime is 12190351. The reversal of 12190347 is 74309121.

It is not a de Polignac number, because 12190347 - 2⁴ = 12190331 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12190347.

It is not an unprimeable number, because it can be changed into a prime (12190307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1947 + ... + 5307.

Almost surely, 2^12190347 is an apocalyptic number.

12190347 is a deficient number, since it is larger than the sum of its proper divisors (7389941).

12190347 is a wasteful number, since it uses less digits than its factorization.

12190347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411 (or 3408 counting only the distinct ones).

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

The square root of 12190347 is about 3491.4677429414. The cubic root of 12190347 is about 230.1470200538.

Adding to 12190347 its reverse (74309121), we get a palindrome (86499468).

The spelling of 12190347 in words is "twelve million, one hundred ninety thousand, three hundred forty-seven".