12391302 has 32 divisors (see below), whose sum is σ = 30898944. Its totient is φ = 3218400.

The previous prime is 12391297. The next prime is 12391303. The reversal of 12391302 is 20319321.

It is a happy number.

12391302 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12391303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12949 + ... + 13872.

It is an arithmetic number, because the mean of its divisors is an integer number (965592).

Almost surely, 2^12391302 is an apocalyptic number.

12391302 is an abundant number, since it is smaller than the sum of its proper divisors (18507642).

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

12391302 is a wasteful number, since it uses less digits than its factorization.

12391302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26844.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 12391302 is about 3520.1281226683. The cubic root of 12391302 is about 231.4047737195.

The spelling of 12391302 in words is "twelve million, three hundred ninety-one thousand, three hundred two".