12147735 has 16 divisors (see below), whose sum is σ = 19491840. Its totient is φ = 6460320.

The previous prime is 12147727. The next prime is 12147739. The reversal of 12147735 is 53774121.

It is not a de Polignac number, because 12147735 - 2³ = 12147727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12147739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5526 + ... + 7404.

It is an arithmetic number, because the mean of its divisors is an integer number (1218240).

Almost surely, 2^12147735 is an apocalyptic number.

12147735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12147735 is a deficient number, since it is larger than the sum of its proper divisors (7344105).

12147735 is a wasteful number, since it uses less digits than its factorization.

12147735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318.

The product of its digits is 5880, while the sum is 30.

The square root of 12147735 is about 3485.3600961737. The cubic root of 12147735 is about 229.8785433088.

The spelling of 12147735 in words is "twelve million, one hundred forty-seven thousand, seven hundred thirty-five".