12347901 has 6 divisors (see below), whose sum is σ = 17835870. Its totient is φ = 8231928.

The previous prime is 12347897. The next prime is 12347911. The reversal of 12347901 is 10974321.

It can be written as a sum of positive squares in only one way, i.e., 9771876 + 2576025 = 3126^2 + 1605^2 .

It is not a de Polignac number, because 12347901 - 2² = 12347897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12347911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 685986 + ... + 686003.

It is an arithmetic number, because the mean of its divisors is an integer number (2972645).

Almost surely, 2^12347901 is an apocalyptic number.

It is an amenable number.

12347901 is a deficient number, since it is larger than the sum of its proper divisors (5487969).

12347901 is a wasteful number, since it uses less digits than its factorization.

12347901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371995 (or 1371992 counting only the distinct ones).

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

The square root of 12347901 is about 3513.9580247920. The cubic root of 12347901 is about 231.1342897135.

The spelling of 12347901 in words is "twelve million, three hundred forty-seven thousand, nine hundred one".