12147960 has 64 divisors (see below), whose sum is σ = 39761280. Its totient is φ = 2944640.

The previous prime is 12147959. The next prime is 12147983. The reversal of 12147960 is 6974121.

It is a happy number.

It is a Smith number, since the sum of its digits (30) 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 (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3282 + ... + 5921.

It is an arithmetic number, because the mean of its divisors is an integer number (621270).

Almost surely, 2^12147960 is an apocalyptic number.

12147960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12147960 is an abundant number, since it is smaller than the sum of its proper divisors (27613320).

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

12147960 is a wasteful number, since it uses less digits than its factorization.

12147960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9228 (or 9224 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 12147960 is about 3485.3923738942. The cubic root of 12147960 is about 229.8799625679.

The spelling of 12147960 in words is "twelve million, one hundred forty-seven thousand, nine hundred sixty".