12291062 has 64 divisors (see below), whose sum is σ = 24192000. Its totient is φ = 4656960.

The previous prime is 12291061. The next prime is 12291079. The reversal of 12291062 is 26019221.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12291061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299762 + ... + 299802.

It is an arithmetic number, because the mean of its divisors is an integer number (378000).

Almost surely, 2^12291062 is an apocalyptic number.

12291062 is a deficient number, since it is larger than the sum of its proper divisors (11900938).

12291062 is a wasteful number, since it uses less digits than its factorization.

12291062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12291062 is about 3505.8610925135. The cubic root of 12291062 is about 230.7790970540.

The spelling of 12291062 in words is "twelve million, two hundred ninety-one thousand, sixty-two".